The correct option is A ; Larger male lizards produce a higher number of viable offspring.
Sexual selection favors the evolution of features that increase success in mate or gamete competition (Andersson, 1994). Behavioral features such as male contest competitiveness and mate choice are classic examples of premating sexual selection mechanisms.
Because brain function underpins all behavior, brains should be subjected to selection forces imposed by partner choice and sexual selection in general (Cahill & Aswad, 2015). Although empirical evidence for sexual selection operating on brains is few, where it does exist, no overarching pattern appears.
Learn more about Sexual selection
https://brainly.com/question/29561819
#SPJ4
Full Question ;
researchers found a new species of lizard and hypothesized that there might be sexual selection for large male lizards. which data below would support the hypothesis that there is sexual selection ?
- larger male lizards produce a higher number of viable offspring
- larger female lizards are more likely to mate with larger male lizards
- larger male lizards have more mates during the breeding season
- smaller female lizards are more likely to mate with larger male lizards
Explain the two types of reactions in photosynthesis? Identify some factors which affect photosynthesis rate in plants?
discuss four uses of epidemiology. for each use, give examples that were not mentioned in the textbook.
Public health surveillance, field research, analytical studies, evaluation, and linkages were the five main objectives of epidemiology in the practice of public health that were identified in the mid-1980s. (17) Policy formulation has lately been introduced as the sixth task. The following describes these duties.
To assist in directing public health decision-making and action, public health surveillance is the continuous, systematic gathering, analysis, interpretation, and dissemination of health data.
As was already mentioned, surveillance offers information for taking action. A public health department investigation is one of the initial responses to a surveillance case report or a report of a cluster.
To pinpoint the origins of an issue, its mechanisms of transmission, and the best course of action for management and prevention, surveillance and field investigations are typically sufficient. But there are situations when analytical analyses with more exacting techniques are required.
Epidemiologists have started to take a significant part in the evaluation of public health services and other initiatives since they are used to employing systematic and quantitative methodologies.
To know more about epidemiology click here:
brainly.com/question/12475188
#SPJ4
fill in the blank. the most saturated form of hemoglobin means it's ready to be transported to the tissues where oxygen is needed.___partial pressure of oxygen indicates those oxygen molecules are released into the surrounding medium.
The most saturated form of hemoglobin means it's ready to be transported to the tissues where oxygen is needed, and the elevated partial pressure of oxygen indicates that those oxygen molecules are released into the surrounding medium.
Key points:
Hemoglobin is the protein in red blood cells responsible for carrying oxygen from the lungs to the tissues and organs.When hemoglobin is fully saturated with oxygen, it means that all available binding sites on the hemoglobin molecule are occupied with oxygen molecules.The partial pressure of oxygen (Po2) refers to the concentration of oxygen in the surrounding medium and is one of the main factors that determine how much oxygen hemoglobin will release.The Po2 in the tissues is usually lower than in the lungs, which creates a gradient that allows hemoglobin to release oxygen.Hemoglobin releases oxygen when the Po2 decreases, and it binds to oxygen when the Po2 increases. This helps to ensure that oxygen is transported to the tissues where it is needed and that the hemoglobin is always ready to pick up more oxygen from the lungs.Learn more about hemoglobin here:
https://brainly.com/question/11211560
#SPJ4
when two buildings you know to be far apart look close together when you are far away you are experiencing a phenomenon called ______ perspective.
Constancy perspective is a phenomena that occurs when two structures that are known to be far apart appear close together when viewed from a distance.
When you are far away, two structures that you are aware are far apart appear to be close together. Constancy is the understanding that, despite the fact that we see physical objects as changing, they remain the same.
Even though the tree and flowers partially obscure the wall in the image, we still sense it as a single item or as a group. The act of separating two objects into discrete or distinct categories is known as segregation. As a result, in the image, we must distinguish between the wall, the tree, and the flowers.
Learn more about Constancy perspective Visit: brainly.com/question/20240127
#SPJ4
which of the following terms refers to the stringy protein fiber that is a component of a blood clot?
The stringy protein fibre known as fibrin is a part of a blood clot.
The main element of the blood clot is fibrin, an insoluble protein created in response to bleeding. The soluble protein fibrinogen, which is made by the liver as well as found in blood plasma, is converted into fibrin, a tough protein material that is arranged throughout long fibrous chains. Fibrinogen… a specific protein or clotting component that is present in blood. Another clotting factor called thrombin is activated in response to a blood vessel injury, turning fibrinogen into fibrin. Megakaryocytes, which are very large cells found in the bone marrow, are fragmented into thrombocytes.
(Which of the following terms refers to the stringy protein fiber that is a component of a blood clot?)
Learn more about blood
https://brainly.com/question/17890844
#SPJ4
hich of the following would be true of any given protein molecule? its polypeptide sequence would be able to be deduced from the nucleotide sequence of the dna molecule that serves as the gene for the protein. it would have a repeating backbone structure and a repeating sequence of side chains linked to this backbone. it would contain twice as many peptide bonds as amino acid residues. it would contain certain pairs of amino acids in the same ratios.
The first statement is true, the nucleotide sequence of amino acid the DNA molecule that serves as the gene for a protein can be used to deduce its polypeptide sequence.
A protein molecule is a macromolecule composed of one or more chains of amino acids, which are the building blocks of proteins. The specific sequence of amino acids in a protein molecule is determined by the DNA molecule that serves as the gene for the protein. The protein molecule has a repeating backbone structure and a repeating sequence of side chains linked to the backbone, which give it its specific shape and function. The number of peptide bonds in a protein molecule is equal to the number of amino acid residues, not twice as many. However, certain pairs of amino acids may appear in the same ratios within a protein molecule, and these ratios can be critical for the protein's function.
Learn more about amino acids here:
https://brainly.com/question/3535479
#SPJ4
The complete Question is:
Which of the following would be true of any given protein molecule? its polypeptide sequence would be able to be deduced from the nucleotide sequence of the dna molecule that serves as the gene for the protein. it would have a repeating backbone structure and a repeating sequence of side chains linked to this backbone. it would contain twice as many peptide bonds as amino acid residues. it would contain certain pairs of amino acids in the same ratios.
Two solutions in a beaker are divided by an impermeable membrane. Which of the following choices would best describe the how the solution below would react if the membrane were suddenly to become permeable only to Nat and Mg2+? lon Concentration in the left solution (mm) Concentration in the right solution (MM) Na+ 200 100 K+ 100 0 Mg2+ 200 200 CI 700 500 Na+ would diffuse into the left side of the solution, and Mg2+ would diffuse to the right. Na+ would not diffuse in either direction, and Mg2+ would diffuse to the right. Na+would diffuse into the right side of the solution, and Mg2+ would diffuse into the left. Na+ would not diffuse in either direction, and Mg2+ would diffuse to the left. Both Na+ and K+ would diffuse into the right side of the solution
Na+ would diffuse into the right side of the solution, and Mg2+ concentration would diffuse into the left.
Osmosis is the diffusion of water across a selectively permeable membrane. When a membrane becomes permeable only to Na+ and Mg2+, Na+ will move from an area of high concentration to an area of low concentration and Mg2+ will move from an area of high concentration to an area of low concentration. In this case, the concentration of Na+ is higher on the left side (200 mM) and lower on the right side (100 mM), so Na+ will diffuse into the right side. The concentration of Mg2+ is the same on both sides (200 mM), so it will not diffuse in either direction. The movement of ions continues until a state of equilibrium is reached where the concentration of ions on both sides of the membrane is equal.
Learn more about concentration here:
https://brainly.com/question/28671648
#SPJ4
Why is it important for DNA to unwind before replication?
Responses
to expose bases so they can be paired with new bases
to improve flexibility in the DNA strand's phosphate backbone
to allow proteins to check for mistakes in the DNA strands
to prevent the new DNA from accidentally sticking together
Answer:
All
Explanation:
All of the responses in the selection are related to the importance of DNA unwinding before replication:
"To expose bases so they can be paired with new bases"
"To improve flexibility in the DNA strand's phosphate backbone"
"To allow proteins to check for mistakes in the DNA strands"
"To prevent the new DNA from accidentally sticking together"
Each of these factors plays a role in the overall process of DNA replication, and together they help ensure that the process occurs efficiently and accurately.
fill in the blank. the___family of macromolecules are composed of carbon, hydrogen and oxygen in a 1:2:1 ratio and includes sugars, starches, glycogen, and cellulose. multiple choice question. protein lipid nucleic acid carbohydrate need help? review these concept resources.
The carbohydrates family of macromolecules is composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and includes sugars, starches, glycogen, and cellulose.
Sugar molecules make up carbohydrates or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats. Glucose is created by your body's breakdown of carbs.
The chemical formula for carbohydrates is (CH2O)n, where n refers to the number of carbon atoms present in the molecule being analyzed. To put it another way, the proportion of carbon to hydrogen to oxygen in carbohydrate molecules is exactly 1:2:1. There are three subtypes of carbohydrates, which are referred to as monosaccharides, disaccharides, and polysaccharides respectively.
You can also learn about carbohydrates from the following question:
https://brainly.com/question/29775112
#SPJ4
fill in the blanks to accurately describe the process by which water is transported from the ground to the branches and leaves of a tree.
Water is moved from the ground to a tree's branches and leaves through a process called transpiration.
Transpiration is the movement of water through the plant's xylem tissue, which is responsible for carrying water and minerals from the roots to the rest of the plant.
The water is absorbed by the roots from the soil and moves up through the plant's stem and into the leaves. The water then evaporates from the surfaces of the leaves, creating a pull on the xylem that draws water from the roots and moves it up to the leaves. This continuous movement of water creates a water cycle within the plant, ensuring that the plant has a constant supply of water.
In addition to transporting water, transpiration also helps to regulate the temperature of the plant. As water evaporates from the leaves, it cools the plant, which can be especially important in hot, dry environments.
To learn more about transpiration
https://brainly.com/question/13891305
#SPJ4
put the enzymes of glycolysis in the order in which they appear in the glycolytic pathway, from left to right. rank from first to last. to rank items as equivalent, overlap them. view available hint(s)for part a resethelp
The glycolysis enzymes are listed below in the left-to-right direction of the glycolytic pathway. order from best to worst:
Hexokinase, phosphoglucoisomerase, phosphofructokinase, fructose-1,6-bisphosphate aldolase, triosephosphate isomerase
The "energy investment" section of glycolysis is thought to consist of the first five processes in the glycolytic pathway. Two ATP molecules are used as the initial investment. At a later point in the route, this ATP investment is recovered.
Retroviral transforming protein kinases phosphorylate a number of glycolytic pathway enzymes both in vitro and in vivo. The enzymes phosphoglycerate mutase (PGM), enolase, and lactate dehydrogenase are some of these substrates (LDH).
Learn more about enzymes here: https://brainly.com/question/30336804
#SPJ4
an individual is heterozygous for two linked genes, but whether its genotype is ab/ab or ab/ab is not known. the individual is crossed with an ab/ab individual, and among the progeny are the following: 16 ab/ab; 54 ab/ab; 46 ab/ab; 24 ab/ab.
Based on the given information, it can be concluded that an individual is heterozygous for two linked genes, and its genotype is not known.
The individual was crossed with an ab/ab individual, and the progeny produced were 16 ab/ab, 54 ab/ab, 46 ab/ab, and 24 ab/ab. However, without further information on the genetics of the individuals and the nature of the cross, it is not possible to determine the precise genotype of the individual or the nature of the linked genes.
When the genes from the same parents enter the same gamete, this phenomenon is known as coupling, and they are passed on jointly. In repulsion, the genes are split into multiple gametes that are individually inherited since they come from different parents.
For more questions like Linked genes visit the link below:
https://brainly.com/question/14032712
#SPJ4
which of the following would be the most likely method used by ecologists to determine density of clonal individuals?
Ecologists use a variety of methods to determine the density of clonal individuals, and the most appropriate method depends on the species and the study objectives.
One commonly used method is spatial mapping, which involves plotting the location of clonal individuals in a defined area and calculating the number of individuals per unit area. This method is particularly useful for species with a well-defined spatial distribution and a clearly defined clonal growth form.Another method that Ecologists is used direct counting, which involves counting the number of clonal individuals in a defined area. This method is particularly useful for species with a well-defined growth form and is relatively straightforward to implement. Direct counting can be performed manually or with the use of remote sensing technologies such as aerial photography or lidar.
Estimation of biomass can also be used to determine clonal density, as clonal individuals often exhibit a similar biomass to one another within a population. Biomass can be estimated using destructive sampling or non-destructive methods such as allometry. This method is particularly useful for species that are difficult to map spatially or for species that are difficult to distinguish individually.
Learn more about Ecologists here:
https://brainly.com/question/54001
#SPJ4
Capillaries of the glomerulus are especially permeable. The endothelial cells exhibit window-like openings called ______.
Capillaries of the glomerulus are especially permeable. The endothelial cells exhibit window-like openings called fenestrae.
Fenestrated capillaries are capillaries with little holes or apertures. Windows are referred to as fenestrae in Latin. Larger chemicals and proteins can go from your blood into your organs and glands through "windows" in fenestrated capillaries.
Fenestrations are ovoid or spherical transcellular pores that run across the EnC cytoplasm's weakest region. They are located in the endothelium of organs where a faster rate of exchange between intravascular and extravascular compartments is necessary.
There are a number of potential functions for fenestrae. They are most frequently used to expand the region and enhance the attachment or alignment of large muscles. They also give muscles that would otherwise be constrained a place to extend outward.
Learn more about fenestrae here https://brainly.com/question/14313609
#SPJ4
When a pregnant cat is malnourished, her kittens are born extremely underweight. Them being underweight would be considered a. inherited from the mother cat's DNA. b.to be due to histone modification. c. an epigenetic effect. d. a maturity effect
When a pregnant cat is malnourished, her kittens are born extremely underweight. Their being underweight would be considered (c) an epigenetic effect.
Epigenetics is the study of how a person's behavior and environment can generate changes that impact the way in which their genes function. Epigenetic alterations, in contrast to genetic changes, are reversible. Epigenetic changes do not alter the sequence of your DNA; but, they can alter how your body interprets a DNA sequence.
Due to this, prenatal exposure to environmental stimuli that alter the epigenome (stress, infection, and toxins) can disturb the programming of gene expression in the embryo or fetus, leading to developmental deficiencies, including aberrant brain development that may result in behavioral disorders later in life.
You can also learn about DNA sequence from the following question:
https://brainly.com/question/29925842
#SPJ4
a rat was injected with a mystery hormone, and its endocrine glands were weighed before and after. using this information, identify the hormone that was injected. question 2 options: luteinizing hormone (lh) cortisol thyrotropin-releasing hormone (trh) testosterone adrenocorticotropic hormone (acth) thyroid-stimulating hormone (tsh)
The data given prevents the identification of the hormone that was injected. It would be necessary to have more details to identify the hormone, such as how it affected the rat's endocrine glands.
Your body contains a chemical called luteinizing hormone (LH) that regulates key reproductive system functions. If you have fertility problems or irregular menstruation, your doctor may ask for a test to check your LH levels.
Gonadotropic cells in the anterior pituitary gland produce luteinizing hormone. Gonadotropin-releasing hormone, which is produced by the hypothalamus, controls the production of LH. Ovulation and corpus luteum development in females are triggered by an abrupt increase in LH, or LH surge.
Learn more about " luteinizing hormone (lh) " to visit here;
https://brainly.com/question/16568157
#SPJ4
true/false. neurons transmit signals from a receptor to the cns where they may synapse with neurons that transmit the signal within the cns before neurons are stimulated and transmit the response from the cns to the effector organ needed.
Neurons transmit signals from a receptor to the central nervous system (CNS) where they may synapse with other neurons. Within the CNS, the signals are transmitted from neuron to neuron until they reach the appropriate destination, where they may then stimulate an effector organ to produce a response.
(True)
The transmission of signals from a receptor to the CNS (Central Nervous System) and then from the CNS to an effector organ involves the following steps:
Reception of stimulus: The stimulation of a receptor triggers the initiation of a nerve impulse.Transmission to CNS: The receptor passes the signal to a sensory neuron, which transmits the signal along its axon to the CNS.Synapse with CNS neurons: Upon reaching the CNS, the sensory neuron may synapse with other neurons within the CNS.Stimulation of CNS neurons: The CNS neurons receive the signal and may integrate the information with signals from other neurons.Transmission of response: The stimulated CNS neurons transmit the response through their axons to the effector organ, such as a muscle or gland, needed to produce a response.These steps occur rapidly and allow the nervous system to quickly respond to changes in the environment.
Learn more about CNS (Central Nervous System) here:
https://brainly.com/question/2114466
#SPJ4
FILL IN THE BLANK The functional group in organic chemistry is the set of __________ attached to the carbon skeleton that often determine the properties of an organic compound.
The set of atoms attached to the carbon skeleton that frequently dictate the properties of an organic compound is known as the functional group in organic chemistry.
Organic chemistry is the study of the form, properties, arrangement, backlashes, and preparation of element-holding compounds. Most basic compounds contain elements and hydrogen, but they can also involve some number of added elements (for example, nitrogen, oxygen, halogens, planet seen at dawn, silicon, sulfur).
The smallest part of a substance cannot be broken down chemically. Each atom has a core (center) containing protons (helpful particles) and neutrons (atoms accompanying no charge). Electrons (negative pieces) go around the core.
To know more about atoms refer to:
https://brainly.com/question/441927
#SPJ4
horses and donkeys are different species because they cannot produce fertile offspring according to the
When a horse and a donkey mate, they produce infertile hybrids called mules. According to the Biological species concept, horses and donkeys are different offspring species.
The Biological species concept is a definition of species that considers organisms to be separate species if they are unable to produce viable offspring through sexual reproduction. According to this concept, horses and donkeys are considered to be different species because their offspring, the mules, are infertile and cannot produce viable offspring of their own. This lack of fertility is a result of differences in the number of chromosomes between horses and donkeys. Horses have 64 chromosomes, while donkeys have 62, which makes it impossible for the offspring of a horse and a donkey to have a balanced set of chromosomes for successful reproduction. Thus, the Biological species concept considers horses and donkeys to be different species.
Learn more about offspring here:
https://brainly.com/question/471576
#SPJ4
The complete Question is:
When a horse and a donkey mate, they produce infertile hybrids called mules. According to the _____ species concept, horses and donkeys are _____.
Which statement illustrates the chemical basis for the predominant type of fatty acids in the plasma membrane of a psychrophile?
Saturated fats have kinked side chains that prevent tight packing as temperatures drop.
Saturated fats have straight side chains that prevent tight packing as temperatures drop.
Unsaturated fats have kinked side chains that prevent tight packing as temperatures drop.
Unsaturated fats have straight side chains that prevent tight packing as temperatures drop.
B: "Saturated fats have straight side chains that prevent tight packing as temperatures drop" illustrates the chemical basis for the predominant sort of fatty acids in the plasma membrane of a psychrophile.
The predominant type of fatty acids in the plasma membrane of a psychrophile, an organism that lives in cold environments, is typically composed of saturated fatty acids. These fatty acids have straight side chains that allow for tight packing in the membrane, helping to maintain membrane fluidity even at low temperatures.
Unsaturated fatty acids, on the other hand, have kinked side chains that prevent tight packing and may result in a loss of membrane fluidity at low temperatures, which can be harmful to psychrophiles. By having a membrane composed of saturated fatty acids, psychrophiles are able to maintain the proper fluidity needed for normal cellular function in cold environments.
You can learn more about predominant type of fatty acids at
https://brainly.com/question/28212368
#SPJ4
you work for the international union for conservation of nature as a listing expert. which of the following feline species has the same status as the fishing cat?
The fishing cat and the marbled cat both have the same conservation status, species which is vulnerable.
The International Union for Conservation of Nature (IUCN) classifies the fishing cat as vulnerable and the marbled cat as vulnerable, which means that both species face a high risk of extinction in the wild due to a declining population trend, habitat loss and degradation, and other threats. The African golden cat and the Borneo bay cat have different conservation statuses, with the African golden cat listed as vulnerable and the Borneo bay cat listed as endangered. Pallas's cat is the only species listed as least concern, meaning that it has a stable population and does not currently face significant threats to its survival.
Learn more about species here:
https://brainly.com/question/25939248
#SPJ4
The complete Question is:
You work for the International Union for Conservation of Nature as a listing expert. Which of the following feline species has the same status as the fishing cat? African golden cat, listed as vulnerable Pallas's cat, listed as least concern Borneo bay cat, listed as endangered Marbled cat,
Turbellaria Internal anatomy
- please where are this located? I cant find where they go..
(Left diagram)
- head
- testes
- ovaries
- seminal vesicles
- p3n1s
- oviducts
- genital pore
This is for the right diagram
- ganglion
- never cords
- transverse Nerves
- intestine
The internal anatomy for Turbellaria:
for the left diagram;
The top arrow - head2nd arrow - ovaries (the top middle arrow under eye pots)The 3rd arrow - testis4th arrow - oviduct5th arrow - genital pore6th arrow - p3n1s7th arrow - seminal vesiclefor the right;
1st arrow - ganglion2nd - nerve cords3rd (after pharynx) - intestine4th (in between) - transverse nerveWhat is Turbellaria?Turbellaria is a class of flatworms that belongs to the phylum Platyhelminthes. They are free-living, bilaterally symmetrical, and can be found in both freshwater and marine environments. Some species are parasitic, but most are scavengers or predators. Turbellaria are simple, flattened animals with a streamlined body shape and a well-developed nervous system.
They have a simple digestive system and a direct life cycle, meaning they do not have a larval stage. Turbellaria play an important role in many ecosystems and are used as models for studying various biological processes, such as development and regeneration.
learn more on Turbellaria here: https://brainly.com/question/13632008
#SPJ1
select the medical term that means procedure to treat open-angle glaucoma by creating openings in the trabecular meshwork.
Selective Laser Trabeculoplasty (SLT) is a medical term that means a procedure to treat open-angle glaucoma by creating openings in the trabecular meshwork.
This particular operation is typically used to treat open-angle glaucoma in patients. It often takes much less than an hour and takes place at a medical facility. Your eye surgeon will make a very small incision on the cornea of your upper eye.
Glaucoma can be treated with a procedure known as selective laser trabeculoplasty (SLT), which is both safe and effective. In order for the laser to be effective, pathways in the trabecular meshwork need to be opened up, and the eye's natural drainage system needs to be utilized. It is a simple process that takes only a few minutes to complete and is carried out here in our office.
You can also learn about glaucoma from the following question:
https://brainly.com/question/1318395
#SPJ4
How are nutrients transported in the blood?
Capillaries are tiny blood vessels that transport absorbed nutrients.Without these, your body will not have the essential nutrients needed for specific places in the body.
What is the function of umbilical vein?Blood rich in oxygen and nutrients is transported from the placenta to the fetus by the umbilical vein.
The unpaired umbilical vein is a vein present during fetal development and it transports the nutrient- and oxygen-rich blood from the placental villi via the umbilical cord to the embryo. The umbilical vein is connected to the two intraembryonic umbilical veins.
Therefore, Capillaries are tiny blood vessels that transport absorbed nutrients.Without these, your body will not have the essential nutrients needed for specific places in the body.
Learn more about Capillaries on:
https://brainly.com/question/28214061
#SPJ1
Red-Green color blindness is due to a recessive allele inherited on the X chromosome.
Most sex linked traits for males are determined exclusively by mother. Give the percentage of color blind female offspring (daughters) if: A colorblind female mates with a male who does not have the trait:
Answer:
solve it yourself!
Explanation:
jaja
A cross made between a colorblind female and a normal healthy male results into all the sons being color blind and none of the daughter affected.
Color blindness usually involves the inability of an individual to distinguish between the different shades of red and green.
There is no treatment for the inherited color blindness. If color blindness is caused by another condition or disease, then treating the underlying cause can help.
Color blindness is an X-linked recessive disorder. It affects both males and females.
When a colorblind female mates with a male who is normal, then from the offspring produced all the sons are color blind and none of the daughter is color blind and are only carriers due to presence of a single allele.
Learn more about Color Blindness here:
https://brainly.com/question/29658462
#SPJ1
Cardiac muscle cells have several similarities with skeletal muscle cells. Which of the following is not a similarity
A. The cells are each innervated by a nerve ending
B. The sales store calcium ions in the sarcoplasmic reticulum
C. The cells contain sarcomeres
D. The cells become Depol arise when sodium ions into the cytoplasm
The following is not a similarity between cardiac muscle cells and skeletal muscle cells: the cells are each innervated by a nerve ending.
Thus, the correct answer is A.
Muscles аre аn importаnt pаrt of the humаn body. Muscles help in mаnаging the heаrtbeаt, digestion, vision, breаthing, аnd other importаnt functions of the body. There аre three types of muscles in а body: Cаrdiаc muscles, smooth muscles аnd skeletаl muscles.
Smooth muscles cаn be trаced inside the blood vessels аnd other orgаns of the body. Cаrdiаc muscles аre found only in the heаrt. In the heаrt, these muscles plаy coordinаted contrаctions which help the heаrt in pumping blood viа the circulаtory system of the body. Skeletаl muscles аre аttаched to the bones throughout the body.Cаrdiаc аnd skeletаl muscles аre both striаted muscles composed of repeаted units cаlled sаrcomeres, crossed with а regulаr pаttern of fine red аnd white lines giving the muscles their distinctive striаted аppeаrаnce аnd their nаme. The cells of cаrdiаc аnd skeletаl muscles become Depol arise when sodium ions into the cytoplasm and the sales store calcium ions in the sarcoplasmic reticulum.
For more information about cardiac muscle cells refers to the link:
https://brainly.com/question/28903384
#SPJ4
which of the following occurs after photons are absorbed by a photoreceptor in the retina? (select all that apply.) a. levels of cgmp fall b. na and ca channels close c. the membrane potential becomes more negative (hyperpolarized) d. an action potential occurs in the rod cell
The correct option a, b, c
levels of cgmp fall, na and ca channels closethe membrane potential becomes more negativePhotoreceptor proteins are generally made up of a protein bound to a non-protein chromophore (sometimes referred as photopigment, even so photopigment may also refer to the photoreceptor as a whole). The chromophore reacts to light via photoisomerization or photoreduction, causing a change in the receptor protein that initiates a signal transduction cascade.
Photoreceptor chromophores include retinal (retinylidene proteins, such as rhodopsin in animals), flavin (flavoproteins, such as cryptochrome in plants and animals), and bilin (biliproteins, for example phytochrome in plants). UVR8, a plant protein, is unique among photoreceptors in that it lacks an external chromophore. UVR8 instead absorbs light via tryptophan residues in its protein coding sequence.
Learn more about Photoreceptor proteins
https://brainly.com/question/13245121
#SPJ4
which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants? which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants? west nile virus yellow fever cholera lyme disease malaria
Cholera has been almost eliminated from the United States because of wastewater treatment plants. Here option A is the correct answer.
Wastewater treatment plants help to prevent the spread of cholera by treating the sewage, removing pathogens and contaminants, and releasing clean water.
This decreases the likelihood of cholera-causing bacteria being present in the environment and spreading to humans through contaminated water sources. While it has not been completely eradicated, widespread use of wastewater treatment has significantly reduced the incidence of cholera in the United States and other developed countries.
Other diseases, such as the West Nile virus, yellow fever, Lyme disease, and malaria, are not primarily spread through contaminated water and have not been eliminated by wastewater treatment.
Complete question:
Which of the following diseases has been all but eliminated from the united states because of wastewater treatment plants?
A - Cholera
B - Typhoid
C - Polio
D - Smallpox
To learn more about Cholera
https://brainly.com/question/15871014
#SPJ4
antibiotic resistance in mycobacterium tuberculosis is a global health concern. it can arise very rapidly in this microbe because _______.
Antibiotic resistance in mycobacterium tuberculosis is a global health concern. it can arise very rapidly in this microbe because it has high mutation rate.
Mycobacterium tuberculosis (Mtb) can easily and quickly develop antibiotic resistance because it has a high mutation rate. It also has the ability to transfer genetic material between cells through horizontal gene transfer mechanisms.
To add on, the persistence of Mtb within the infected individuals allows for a longer period of time, a selection and evolution of resistant strains, exacerbating the spread of antibiotic resistance in the population.
Mycobacterium tuberculosis is a bacterium that causes tuberculosis (TB), which is a serious and often fatal respiratory disease. TB is also a global health concern.
To know more about Mycobacterium tuberculosis refer to-
brainly.com/question/29093915#
#SPJ4
1. release histamine, which promotes inflammation. (click to select) 2. the cytoplasm is a thin ring around the nucleus. (click to select) 3. contain cytoplasmic granules that stain bright red with eosin. (click to select) 4. the most common type of white blood cells. (click to select) 5. two- to four-lobed nuclei. (click to select) 6. enlarge and become macrophages which engulf foreign substances. (click to select) 7. contain large cytoplasmic granules that stain dark blue or purple with basic dyes. (click to select)
First basophils,Lymphocytes,Eosinophils,Neutrophils,Neutrophils,Monocytes.,Basophils.In response to exposure to an antigen, mast cells generate secretory granules that are high in histamine as well as other hormone mediators and that encourage inflammation and other allergic symptoms.
A bi-lobed nucleus containing sizable, eosinophilic cytoplasmic granules that stain red to pink is characteristic of eosinophils. Basophils are 12 to 15 m in diameter, with bi-lobed as well as S-shaped nuclei, and feature small, blue to purple-stained cytoplasmic granules. Key participants in allergy and inflammatory responses are basophils.First basophils,Lymphocytes,Eosinophils,Neutrophils,Neutrophils,Monocytes.,Basophils.In response to exposure to an antigen, mast cells generate secretory granules that are high in histamine as well as other hormone mediators and that encourage inflammation and other allergic symptoms. Histamine and heparin, that are found in their granules, are released to encourage blood flow to the location. Basophils. When pathogenic substances enter your blood, these tiny cells appear to scream an alarm.
(Test your knowledge about the specific functions of the five types of white blood cells)
Learn more about histamine
https://brainly.com/question/29896152
#SPJ4