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
now that we have a handle on diffusion, let's look at selective diffusion of water across a semipermeable membrane, i.e., osmosis.
The true аbout the flow of wаter аcross the membrаne is there will be а net flow of wаter from the solution with the lower solute concentrаtion into the solution with higher solute concentrаtion.
Osmosis is the net movement of wаter аcross а semipermeаble membrаne from аn аreа of lower solute concentrаtion to аn аreа of higher solute concentrаtion.
In а solution with а high concentrаtion of solutes, there is а lower concentrаtion of solvent wаter since the solutes tаke up more spаce in а solution. If this solution is sepаrаted from аnother solution with а lower concentrаtion of solutes (аnd, therefore, а higher concentrаtion of wаter) by а membrаne permeаble only to wаter, there will be а net flow of wаter from the solution with the lower solute concentrаtion into the solution with higher solute concentrаtion.
Your question is incomplete, but most probably your full question and the options can be seen in the Attachment.
A. There will be а net flow of wаter from the solution with the higher solute concentrаrtion into the solution with lower solute concentrаtion.
B. There will be no net flow of wаter аcross the membrаne.
C. There will be а net flow from the solution with the lower wаter concentrаtion into the solution with higher wаter concentrаtion
D. There will be а net flow of wаter from the solution with the lower solute concentrаtion into the solution with higher solute concentrаtion.
THus, the correct option is D.
For more information about osmosis refers to the link:
https://brainly.com/question/24581508
#SPJ4
let y(t) denote the number of e. coli cells in a container of nutrient solution t minutes after the start of an experiemnt. assume that y(t) is modeled by tihe initial-value problem
One of the most popular organisms for making recombinant proteins is Escherichia coli. 1280 E. coil cells will remain in the container for two hours after the experiment began.
Escherichia coli is well-known for its role as a cell factory and has emerged as the most widely used expression platform.
given the initial value.
dy/dt = (ln2)2^t/2, y(0) = 20
integrating and separating the variables.
∫dy = ∫(ln2)2^t/2 / ln2* 20 + C
y(t) = 20(2^t/20) + C
and y(0) = 20,
20 = 20*2⁰ + C
and C = 0,
y(t) = 20(2^t/20)
after 2 hrs i.e 120 mins.
y = 20(2⁶) = 1280
therefore, 1280 E. coil cells will remain in the container for two hours after the experiment began.
Know more about Escherichia coli here: https://brainly.com/question/5870996
#SPJ4
(complete question)
Let y(t) denote the number of E. coli cells in a container of nutrient solution t minutes after the start of an experiment. Assume that y(t) is modeled by the initial-value problem dy/dt = (In 2)2^r/20. y(0) = 20
Use this model to estimate the number of E. coli cells in the container 2 hours after the start of the experiment.
what can you conclude about the gram stained specimen? a micrograph of a gram stained specimen. there are clusters of small spherical structures and several single pairs of them painted red. view the image in greater detail. based on your observation of this gram stained specimen, select all appropriate statements. the pictured bacteria are diplococci the pictured bacteria produce lipopolysaccharide (lps), also known as endotoxin. the pictured bacteria have strep arrangement the pictured bacterium is gram positive it can be ruled out that this specimen is taxonomically found in the staphylococcus genus. the pictured bacteria have a staph arrangement the pictured bacteria are most likely non-acid fast.
Based on the description of the gram-stained specimen, it can be concluded that the pictured bacteria are diplococci.
The pictured bacteria are diplococci, meaning that they are arranged in pairs. The production of lipopolysaccharide (LPS) cannot be determined based on the observation of the gram-stained specimen. The arrangement of the bacteria cannot be determined with certainty based on the description of the specimen. The pictured bacterium is gram-positive, meaning that it has a thick peptidoglycan layer in its cell wall that retains the crystal violet stain used in the gram-staining procedure and appears purple or blue under a microscope. It can be ruled out that this specimen is taxonomically found in the Staphylococcus genus. The arrangement of the bacteria cannot be determined with certainty based on the description of the specimen. The acid-fastness of the bacteria cannot be determined based on the observation of the gram-stained specimen.
To know more about peptidoglycan please refer:
https://brainly.com/question/13560451
#SPJ4
What can you conclude about the gram stained specimen? A micrograph of a gram stained specimen, there are clusters of small spherical structures and several single pairs of them painted red, view the image in greater detail. Based on your observation of this gram stained specimen, select all appropriate statements.
(a)The pictured bacteria are diplococci
(b)The pictured bacteria produce lipopolysaccharide (LPS), also known as endotoxin.
(c)The pictured bacteria have strep arrangement.
(d)The pictured bacterium is gram positive.
(e)It can be ruled out that this specimen is taxonomically found in the staphylococcus genus.
(f)The pictured bacteria have a staph arrangement.
(g)The pictured bacteria are most likely non-acid fast.
the nucleotide below is from a molecule of dna. it is missing labels identifying its three components, as well as labels that indicate how relevant carbon atoms are numbered
The illustration shows the oxy ribose sugar base at position B. They are at A. The molecule's three prime side is at position C, while its five prime side is at position A.
Deoxyribonucleic acid is a polymer made of two polynucleotide chains that form a double helix around one another. All known living things, including many viruses, have genetic material in their polymers that direct how they should function, grow, and reproduce. Nucleic acids include ribonucleic acid and DNA.
DNA is in charge of transporting and transmitting genetic instructions from parents to offspring. In addition to being necessary for the creation of proteins, DNA ensures that all living organisms pass on their genetic information.
For more information on DNA kindly visit to
https://brainly.com/question/316480
#SPJ4
PLEASE HURRY!!!
Sickle cell anemia is a genetic disease which causes the red blood cells of a person with sickle cell to be malformed, or sickled, making it difficult for them to carry oxygen. This disorder is carried on the X chromosome. What type of inheritance pattern does it follow?
Sex-linked inheritance
Incomplete dominance
Codominance
Multiple allele inheritance
meiosis begins with one diploid parent cell. which of the following best explains how meiosis results in four haploid daughter cells
Meiosis produces four haploid daughter cells involving two rounds of division and the doubled chromosomes remain in pairs during metaphase 1.
Meiosis is cell division that produces daughter cells with half the number of chromosomes of the parent. Meiosis is also known as reduction division because it produces offspring with half the number of chromosomes as the parent. So, in the process of division, there is a reduction in the number of chromosomes due to division.
Meiotic division occurs twice, through meiosis I and meiosis II. In meiosis I there will be gene recombination and chromosome reduction, as a result of the division and mixing of homologous chromosomes. The result of meiosis I am two haploid daughter cells. Then, in meiosis II, the haploid cell divides again and produces four haploid daughter cells with different properties.
Learn more about meiosis at https://brainly.com/question/25995456
#SPJ4
If there was 0% growth in the use of coal, about how many more years will the worlds supply of coal last?
120,000
1,200
120
12,000
If there was 0% growth in the use of coal, it was 120,0.
What is Coal?Long before there were dinosaurs, the majority of the fossil fuels we use today were first discovered. The majority of the energy we consume worldwide comes from fossil fuels.
Because coal is a fossil fuel generated in the veins of rocks beneath the Earth's surface, miners must descend so far to obtain it.
Despite the fact that humanity have used up all of the fossil fuels that are already on the planet, there will likely still be unexplored supplies of them.
Therefore, If there was 0% growth in the use of coal, it was 120,0.
To learn more about coal, refer to the link:
https://brainly.com/question/12981477
#SPJ1
FILL IN THE BLANK A fatal central nervous system disorder caused by a copy number variation—more than 35 repetitions of a particular set of three base pairs—is _____.
A fatal central nervous system disorder caused by a copy number variation—more than 35 repetitions of a particular set of three base pairs—is Huntington's disease.
Huntington's disease is a central nervous system disorder that affects movement, cognition, and behavior. It is caused by a genetic mutation in the huntingtin gene, which leads to the production of an abnormal protein. A key characteristic of Huntington's disease is the expansion of a trinucleotide repeat sequence (CAG) in the huntingtin gene. Normally, this repeat sequence occurs 10 to 35 times in the gene, central nervous system disorder but in people with Huntington's disease, it occurs more than 35 times. This expanded repeat sequence interferes with the normal functioning of the huntingtin protein and triggers the death of nerve cells in the brain, causing the symptoms of Huntington's disease.
Learn more about central nervous system here:
https://brainly.com/question/2114466
#SPJ4
since viral gene expression is regulated by the same machinery as host cell gene expression, which of the following is most likely involved in regulating expression of bacteriophage genes? since viral gene expression is regulated by the same machinery as host cell gene expression, which of the following is most likely involved in regulating expression of bacteriophage genes? regulation via acetylation of histones positive control mechanisms rather than negative reliance on transcription activators coordinate control of more than one gene in an operon
coordinated regulation of several genes within an operon.The phage encoded N-protein which creates a termination-resistant RNAP complexes controls the expression of early genes.
Their viral genome can merge with host DNA, proliferate along with it in a relatively benign manner, or even take root as a plasmid. The endogenous phages, sometimes referred to as prophages, become active when host circumstances worsen, possibly as a result of nutritional deprivation. MiRNAs are also used by viruses to control the expression on their genes. However, certain viral miRNAs perform a twofold function by interfering with the host's genes' control. Viruses must enter cells in order to proliferate since they only have a Sequences of Dna genome enclosed in a protein sheath.
(Since viral gene expression is regulated by the same machinery as the host cell gene expression, which of the following is most likely involved in regulating expression of bacteriophage genes?)
Learn more about gene
https://brainly.com/question/8832859
#SPJ4
plant stem that grow upward_____________,a source of light and plant ____________ that grow toward a source of water are tropisms
Answer:
toward and stems ..
Explanation:
plant stem that grow upward toward a source of light and plant
tems that grow toward a source of water are tropisms
paclitaxel, a chemotherapy drug that targets microtubules, causes mitotic arrest in 70% of the cells and apoptosis in 95% of treated cells. choose the best answer.
Paclitaxel is a chemotherapy drug that works by targeting microtubules, which are important structural components of the mitotic spindle.
According to the statement, "paclitaxel produces mitotic arrest in 70% of the cells," this suggests that a sizeable percentage of the treated cells are able to evade the medication's effects and continue to divide. The claim that "apoptosis is produced in 95% of treated cells" on the other hand implies that a significant number of the cells experience programmed cell death, which is a hallmark of apoptosis.
Chemotherapy generally aims to target and kill cancer cells while leaving healthy, normal cells unharmed. The high rate of apoptosis in the treated cells indicates that paclitaxel is successful in causing cell death in a significant part of the treated cells.
To know more about drug, click here,
brainly.com/question/26254731
#SPJ4
the velocity of blood is slowest in the capillaries and pressure of blood is lowest in the veins. which of the following is not an accurate description of the benefits of slow, low pressure blood in the capillary beds?
The following is not an accurate description of the benefits of slow, low-pressure blood in the capillary beds: Lower pressure in the capillary bed helps to increase pressure in the venous circulation.
Blood flow refers to the movement of blood through the vessels from аrteries to the cаpillаries аnd then into the veins. Pressure is а meаsure of the force thаt the blood exerts аgаinst the vessel wаlls аs it moves the blood through the vessels. Like аll fluids, blood flows from а high-pressure аreа to а region with lower pressure. Blood flows in the sаme direction аs the decreаsing pressure grаdient: аrteries to cаpillаries to veins.
The rаte, or velocity, of blood flow vаries inversely with the totаl cross-sectionаl аreа of the blood vessels. Аs the totаl cross-sectionаl аreа of the vessels increаses, the velocity of flow decreаses. Blood flow is slowest in the cаpillаries, which аllows time for exchаnge of gаses аnd nutrients.
Your question is incomplete, but most probably your full options were
a. Lower pressure in the capillary bed helps to increase pressure in the venous circulation.
b. Lower pressure reduces the chance of injury to delicate capillary vessels.
c. Lower pressure on the venous end of the capillary bed allows for greater reabsorption of fluid back to the plasma.
d. Slower blood flow through capillaries allows more time for diffusion to take place in the capillary bed.
Thus, the correct option is A.
For more information about the velocity of blood refers to the link:
https://brainly.com/question/13852991
#SPJ4
sweet pea plants have a diploid (2n) chromosome number of 14. which of the following best explains how the sweet pea plants in the parental generation produce f1 offspring with 14 chro
By fusing gametes with different numbers of chromosomes, sweet pea plants with a diploid 2n chromosome number of 14 produce F1 offspring with 14 chromosomes.
organisms classified as diploids have 2n chromosomes, or two copies of each chromosome.
Meiosis occurs in diploid organisms to create haploid cells with n chromosomes.
Each parent contributes two haploid cells to create offspring with 2n chromosomes.
Therefore, by fusing gametes with an n-number of chromosomes, sweet pea plants with a diploid 2n chromosome number of 14 produce F1 offspring with 14 chromosomes.
Learn more about ‘ diploid organisms ‘ visit here;
https://brainly.com/question/13049050
#SPJ4
Which of the following choices is a boolean search?
There are three basic Boolean search commands: AND, OR and NOT. The correct option is D.
What is Boolean search?A symbolic logic technique created by English mathematician George Boole in the 19th century serves as the foundation for boolean searching.
The words AND, OR, and NOT can be used to combine words and phrases in boolean searches.
The organised process of employing mathematical operators like AND, OR, and NOT to broaden or narrow your candidate search on databases is referred to as a boolean search in the context of hiring.
Boolean Operators are straightforward words that are used as conjunctions in searches to combine or exclude keywords, producing more targeted and useful results.
Thus, the correct option is D.
For more details regarding Boolean search, visit:
https://brainly.com/question/26487342
#SPJ1
Your question seems incomplete, the missing options are:
AND
OR
NOT
All of the above
TRUE/FALSE. the specific immune response is a selective immune response that kills pathogens by marking them for the body to target
It is True that the specific immune response is a selective immune response that kills pathogens by marking them for the body to target
Both macrophages and cytotoxic T cells participate in cell-mediated immune responses to eradicate infected cells and intracellular pathogens, respectively. After being activated in response to an antigen, the proliferation and differentiation of naive T lymphocytes is an initial immunological response. In order to participate in the cell-mediated immune response, a naive T cell must first come into contact with the antigen in order to be stimulated to multiply and differentiate into cells that may assist in the elimination of the antigen. To prevent the infection from spreading, killer T cells will attack any infected cell that is carrying a foreign antigen.
Know more about T cells here: https://brainly.com/question/27459085
#SPJ4
What did Mosa figure out in order to prove that all species are related? (Evidence of Evolution comic)
Fossils provide solid evidence that organisms from the past are not the same as those found today.
What are fossil fuels?Fossil fuels are formed from the decomposition of buried carbon-based organisms that died millions of years ago. They create carbon-rich deposits that are extracted and burned for energy. They are non-renewable and currently supply around 80% of the world's energy.
Coal, oil, and natural gas are examples of fossil fuels. Coal is a material usually found in sedimentary rock deposits where rock and dead plant and animal matter are piled up in layers.
Fossil fuels are combustible, burning in the presence of oxygen and forming water vapor, carbon dioxide, ash and other byproducts. Their ability to burn comes largely from their carbon content.
Learn more about fossil fuels:
https://brainly.com/question/3371055
#SPJ1
__________ the two types of of chemical signals in the body that help maintain homeostasis are hormones and neurotransmitters.
Catecholamines and serotonin, the two types of chemical signals in the body that help maintain homeostasis are hormones and neurotransmitters.
The maintenance of homeostasis in the human body is greatly aided by neurotransmitters like serotonin and catecholamines. The major focus of research on these neurotransmitters has been on how they affect blood flow throughout the body and the "fight or flight" response by sending messages across chemical synapses.
In homeostasis, the body's organs can cooperate to keep blood glucose levels stable thanks to the chemical signal insulin, which is produced by the pancreas, liver, and muscles. This makes it possible for the body's other organs, including the heart and brain, to keep homeostasis.
The sympathetic nervous system uses norepinephrine as a neurotransmitter. The hypothalamus is where these molecules keep energy homeostasis in check. This homeostatic mechanism, which regulates energy input-output and food intake, is kept in check by the hypothalamus.
Learn more about chemical signals here https://brainly.com/question/13127914
#SPJ4
Three of the four answers listed below are terms associated with the scientific method. select the exception
-deductive reasoning
-supernatural
-falsifiable
-testable
The scientific method is a systematic approach to acquiring knowledge and understanding of the natural world. The scientific method are Deductive reasoning, Testable, and Falsifiable. Here option A, C and D are the correct answer.
Deductive reasoning is a type of reasoning that starts from a general principle and derives specific consequences from it. In the scientific method, this type of reasoning is used to develop hypotheses and predictions about natural phenomena based on existing knowledge.
Testable refers to the ability of a scientific idea or hypothesis to be subjected to experimental testing. The scientific method emphasizes the importance of testing ideas through empirical observation and experimentation. In order to be considered scientific, a hypothesis must be testable.
Falsifiable refers to the ability of a scientific hypothesis to be proven false through experimental evidence. In the scientific method, a falsifiable hypothesis is considered a stronger candidate for scientific inquiry because it is open to testing and possible disproof.
Complete question:
Three of the four answers listed below are terms associated with the scientific method.
A - deductive reasoning
B - supernatural
C - falsifiable
D - testable
To learn more about deductive reasoning
https://brainly.com/question/16685989
#SPJ4
Describe the Types of Interactions That Determine the Extent to Which a Solute Dissolves in Solution Question When a solution forms from some compound, the temperature of the solution quickly drops. Which of the following statements is true? Select all that apply: a.The dissolution process is endothermic. b.The dissolution process is exothermic. c.The entropy of solution is likely highly positive. d.The entropy of solution is likely highly negative.
When a solution forms from some compound, the temperature of the solution quickly drops so this is endothermic process
When a chemical (gas, solid, or liquid) dissolves in a solvent and forms a solid
That process is known as dissolution.
This process can be endothermic (temperature drops) or exothermic (temperature rises) (temperature increases).
As the temperature drops the reaction would be endothermic as the heat from the temperature goes out this reaction is said to be endothermic
If it takes more energy to separate the solute particles, the system (solution) absorbs heat from its surroundings, and the temperature of the solution rapidly declines.
As a result, this is an endothermic reaction.
So the correct answer from the following statement is option A -The Dissolution process is endothermic
To learn more about solution click here :
brainly.com/question/7932885
#SPJ4
A protein is a complex macromolecule with a 3-dimensional shape that determines its functions. Complete the following sentences and place them in order representing the levels of protein structure, starting with its building blocks and leading to its complex function.
The protein building blocks are amino acids. They consist of a central carbon atom coupled to two negatively charged carboxyl groups, a side chain, and a positively charged amino group.
Amino acids are linked together to create a linear chain by polypeptides produced during dehydration processes.The structure of a protein joined together through peptide bonds makes up the basic structure of a protein. A polypeptide is folded into a beta-pleated sheet structure and maintained by hydrogen bonds in the secondary structure of the protein through the process of amino acids spinning around bonds. The folded polypeptide's amino acid side chains interact to produce a complex, three-dimensional shape inside the tertiary structure of proteins.
protein is a complex macromolecule with a 3-dimensional shape that determines its functions. Complete the following sentences and place them in order representing the levels of protein structure, starting with its building blocks and leading to its complex function.
(1. Amino acids are the building blocks of proteins. They are made up of a center carbon atom bound to a positively charged amino group and a negatively charged carboxyl group and a side chain.
2. Polypeptides formed by dehydration reactions link amino acids together, forming a linear chain.
3. The primary structure of a protein is the sequence of amino acids that are attached together by peptide bonds.
4. In the secondary structure of a protein the polypeptide is folded through the mechanism of amino acids rotating around bonds and folding into a alpha-helix or beta-pleated sheet structure and stabilized by hydrogen bonds.
5. In the tertiary structure of a protein the amino acid side chains of the folded polypeptide interact, forming a complex 3-dimensional shape.
6. The quaternary structure of a protein exists if multiple polypeptides bind together to form a functional protein.)
Learn more about protein
https://brainly.com/question/13734713
#SPJ4
given the structure of a cilium, you would not expect to find cilia on which of these types of epithelial tissue?
squamous keratinized epithelium that is stratified.
The upper respiratory tract is lined with this kind of epithelium, which often includes many cilia.
Pseudostratified epithelium has cilia, which are tiny hair-like extensions, and goblet cells, which are single-cellular glands that release mucus.
To convey bacteria, viruses, epithelial debris, or other harmful substances up or out of the airway, the cilia beat in unison over the epithelium. The epithelium's goblet cells make mucus, which helps in gathering the debris for ejection out from the airway. Cuboidal epithelial cells primarily perform three tasks: absorption, secretion, and protection. Specialized structures protrude from a few cuboidal epithelial cells. The respiratory bronchiole's wall is lined with a straightforward cuboidal epithelium, and the proximal part of the bronchiole may include cilia.
(Given the structure of a cilium, you would not expect to find cilia on which of these types of epithelial tissue?)
Learn more about epithelial tissue
https://brainly.com/question/12806192
#SPJ4
examine the structures of the plant and animal cells below. which of the following organelles connect(s) to the nuclear envelope?
The endoplasmic reticulum organelle of a cell is connected to the nuclear envelope most directly.
In general, the endoplasmic reticulum's job is to manufacture the proteins needed for the remainder of the cell to operate. It can be either smooth or rough. The little, rounded organelles known as ribosomes, which are found on the rough endoplasmic reticulum and are responsible for producing those proteins.
The endoplasmic reticulum (ER), which extends from the nuclear membrane throughout the cytoplasm, is also a network of tubules and sacs (cisternae) that are membrane-enclosed. The biggest organelle in the majority of eukaryotic cells, the endoplasmic reticulum, was completely encircled by a continuous membrane.
For such more question on endoplasmic reticulum
https://brainly.com/question/29288407
#SPJ4
Note: The correct question would be as bellow,
Examine the structures of the plant and animal cells below. which organelles connect(s) to the endoplasmic reticulum?
which one of the following organism would produce a yellow slant and a yellow butt on tsi agar after incubating 18 hours?
Option a is Correct. Escherichia coli is one of the following organisms that, after 18 hours of incubation, would generate a yellow slant and a yellow butt on TSI agar.
Because strict aerobes, like Pseudomonas aeruginosa, only grow on the slant of the tube and not the butt, there won't be any change in the color of the tube's butt. The Triple Sugar Iron (TSI) test is a microbiological procedure that evaluates a microorganism's capacity to create hydrogen sulfide and ferment sugars.
It is crucial to monitor the cultures within 18–24 hours of incubation in order to get correct findings. This will guarantee that the peptones' alkaline-producing breakdown process has not exhausted its supply of carbohydrate substrates.
Learn more about Escherichia coli Visit: brainly.com/question/24214558
#SPJ4
Correct Question:
Which one of the following organisms would produce a yellow slant and a yellow butt on TSI agar after incubating 18 hours?
a. Escherichia coli
b. Proteus mirabilis
c. Salmonella Typhimurium
d. Shigella sonnei
Number 6 please helppp
Height is a monohybrid inheritance. A tall (TT) plant is crossed with a short (tt) plant therefore the fraction or percent of the offspring which will be tall is 1 or 100 percent.
What is Inheritance?This is referred to as the process by which genetic information is passed on from parent to child.
TT × tt when crossed will give the following offspring:
Tt Tt Tt Tt - We were told that height is a monohybrid inheritance which means Tall will be dominant.
Therefore , the fraction or percent of the offspring which will be tall is 1 or 100 percent.
Read more about Inheritance here https://brainly.com/question/15078897
#SPJ1
for sexually reproducing diploid parent cells, which of the following statements best explains the production of haploid cells that occurs in meiosis but not in mitosis?
For sexually reproducing diploid parent cells, the following statements which best explains the production of haploid cells that occurs in meiosis but not in mitosis is that separation of chromatids occurs once, and there are two rounds of cell division in meiosis and is therefore denoted as option B.
What is Mitosis?This is referred to as a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
Separation of chromatids occurs once, and there are two rounds of cell division in meiosis which is responsible for the production of four unique daughter cells.
Read more about Meiosis here https://brainly.com/question/8253366
#SPJ1
The full question:
For sexually reproducing diploid parent cells, which of the following statements best explains the production of haploid cells that occurs in meiosis but not in mitosis?Separation of chromatids occurs once, and there is one round of cell division in meiosis.
ASeparation of chromatids occurs twice, and there are two rounds of cell division in mitosis.
BSeparation of chromatids occurs once, and there are two rounds of cell division in meiosis.
CSeparation of chromatids occurs twice, and there is one round of cell division in mitosis
Is evolution from simple origins impossible, considering how complex living things are?
Conventional wisdom holds that complex structures evolve from simpler ones, step-by-step, through a gradual evolutionary process, with Darwinian natural selection favoring intermediate forms along the way.
What do you mean by natural selection?Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.
More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive.
Learn more about natural selection:
https://brainly.com/question/4075522
#SPJ1
l nerd help pleaseee
Homozygous refers to an organism in which both copies of a given gene have the same allele i.e. HH or hh.
An allele is one of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome.
Homozygous recessive means that it has two recessive alleles. Examples of homozygous recessive genotype is "hh" coding for hornless cattle.
Learn more about homozygous at: https://brainly.com/question/376455
#SPJ1
based on taxonomical classification, to which of the following organisms is the clownfish (amphiprion ocellaris) most closely related evolutionarily?
The clownfish (amphiprion ocellaris), which belongs to the phylum Chordata and class Mammalia, is most closely related to humans (Homo sapiens).
Clownfish and anemonefish are both names for fish that belong to the subfamily Amphiprioninae of the family Pomacentridae. The thirty species of clownfish that are currently known fall into two genera: Amphiprion and Premnas. In the wild, they all form symbiotic mutualisms with sea anemones. Anemonefish come in a range of colours overall, including yellow, orange, reddish, and even blackish. Many also have white stripes or patches. The closest evolutionary relatives of the clownfish are the damselfish and other Pomacentridae family members.
learn more about clownfish Refer:brainly.com/question/1678563
#SPJ4
complete question:
Which of the following creatures does the clownfish (Amphiprion ocellaris) have the closest evolutionary ties to, according to taxonomy?
A) The common cuttlefish, Sepia officinalis; class: Mollusca; kingdom: Animalia.
B) Humans (Homo sapiens); class: Mammalia; phylum: Chordata.
C) The moon jellyfish; class: Cnidaria; kingdom: Animalia
D) The phytoplankton Micromonas , which belongs to the Eukarya and Protista kingdoms.
E) The sea anemone Heteractis crispa, a member of the phylum Cnidaria in the animal kingdom.
what are deep ocean currents
Answer:
result from differences in water density. These currents occur when cold dense water at the poles sinks
James Watson’s discovery of the base pairings in the DNA helix was a result of trial and error. He discovered that adenine pairs with thymine and that guanine pairs with cytosine after he continually attempted to align models of the bases in other combinations. Which best describes how this example illustrates creativity?
A. Watson’s trial-and-error approach shows that he had run out of other ideas to try in searching for the answer.
B. Watson’s trial-and-error approach shows that he was using the process of elimination to solve his base pair problem.
C. Watson’s trial-and-error approach shows that he preferred to guess rather than apply logic to the problem.
D. Watson’s trial-and-error approach shows that he was willing to consider multiple base-pair arrangements as possible answers.
In DNA helix, Watson’s trial-and-error approach shows that he was using the process of elimination to solve his base pair problem best describes how this example illustrates creativity.
What are the characteristics of DNA double helix?A DNA molecule is made up of two linked strands that wind around each other to resemble a twisted ladder in a helix-like shape. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
To avoid bumping into each other, the staircase has to twist a little bit. This turns our staircase into a spiral staircase. This extra twist at the end is the reason for the helical shape. For the “steps” of the DNA “staircase” to fit together, they have to twist a little bit.
DNA is a right-handed helix. Normal B-DNA, as first described by Watson and Crick, is a right-handed helix. GC-rich DNA can also exist in a form known as Z-DNA, which forms a left-handed helix.
Learn more about DNA helix:
https://brainly.com/question/14417915
#SPJ1