Local catastrophic events, Cuvier was the first to show that. The differences in fossils from different strata were evidence for local catastrophic events such as droughts or floods.
What is strata?Strata, the plural of the Latin term stratum, is another name for rock layers, and stratigraphy is the study of strata. Stratigraphy is the study of the features of stratified rocks, including their relationship to time.
According to the fossil correlation concept, strata that include certain fossils are also the same age since like assemblages of fossils have the same age.
As a result, fossils are highly helpful in correlating, or matching up, rock strata in exposures that are spread apart widely.
Therefore, Local catastrophic event's evidence for differences in fossils from different strata.
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The american alligator is considered a keystone species in the everglades system because its presence leads to an increase in the:_______
The American alligator is a keystone species because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as in wading birds.
What is a keystone species?A keystone species is a given species in an ecosystem whose presence is fundamental to maintaining the biodiversity and features of such environment.
In conclusion, the American alligator is considered a keystone species in the everglades system because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as abundance/diversity in wading birds.
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Alcoholic fermentation:__________
a. is carried out by yeasts.
b. produces far less atp than aerobic respiration.
c. all answers are correct.
d. produces ethanol.
e. produces carbon dioxide.
Option(c)All the answers are correct is the right answer.
We can observe that alcoholic fermentation is carried out by yeasts and they produce ethanol and carbon dioxide. Then we can observe that they also also produce far less ATP than aerobic respiration during alcoholic fermentation and this makes all the given answers are correct.
What is the fermentation of alcohol process?Alcoholic fermentation is a sophisticated biochemical procedure in which yeasts transform carbohydrates into ethanol, carbon dioxide, and other metabolic byproducts that affect the meals' chemical make-up and sensory qualities.What does alcoholic fermentation look like in practice?The process of utilizing yeasts to turn sugars into alcohol is known as alcoholic fermentation. Higher-ABV beverages can be made from already-fermented base items through the distillation process. (For instance, distilling beer wort yields whiskey, whereas distilling wine yields brandy.)Which enzyme causes the fermentation of alcohol?An enzyme complex called zymase is responsible for catalyzing the conversion of sugar into ethanol and carbon dioxide. Yeasts naturally contain it.To learn more about alcoholic fermentation visit:
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The atomic mass of fluorine is 18.998 which we will round to 19. The atomic number of fluorine is 9. How many neutrons does fluorine have?
The genetic information carried by dna is in the ___________ and their __________.
The genetic information carried by dna is in the the linear sequence and their nucleotides
A nucleotide is one of the structural components, or the building blocks, of the DNA and the RNA. A nucleotide is consists of the base (one of four chemicals: the adenine, the thymine, guanine, and cytosine) plus a molecule of the sugar and one of the phosphoric acid. Nucleotides are the organic molecules consisting of the nucleoside and of the phosphate. They serve as the monomeric units of the nucleic acid polymers – also deoxyribonucleic acid and the ribonucleic acid, both of which are essential of the biomolecules within all the life-forms on the Earth.
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Which of Earth's layers is just below the crust?
O A. Outer core
O B. Upper mantle
• C. Inner core
• D. Lower mantle
Answer:
Upper mantle
Explanation:
I looked it up
Albinism in humans is sometimes caused by a mutation in the oca2 gene. albinism is a _____ while the mutant dna sequence in the oca2 gene that causes albinism is a
Albinism in humans is sometimes caused by a mutation in the oca2 gene. albinism is a phenotype while the mutant dna sequence in the oca2 gene that causes albinism is a genotype.
Mutations withinside the OCA2 gene reason a disruption withinside the regular manufacturing of melanin; therefore, inflicting imaginative and prescient issues and discounts in hair, skin, and eye color. Oculocutaneous albinism as a result of mutations withinside the OCA2 gene is known as oculocutaneous albinism kind 2.
OCA2 is related to mutations withinside the OCA2 gene, previously known as the P gene. Oculocutaneous albinism kind 3 (OCA3) became to begin with defined withinside the African population.The maximum not unusualplace shape is kind 1, inherited with the aid of using a gene mutation at the X chromosome.
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A bag contains 6 clear marbles and 4 red marbles one marble is drawn from the bag and replaced a second marble is drawn from the bag and replaced what is the probability of getting a clear marble the first time and a red marble the second time
Answer:
4/25
Explanation:
bag contains 6 clear marbles and 4 red marbles = 6+4=10
chance of red marble = 4/10
4/10=2/5
Now, probability of getting a red marble the first time AND a red marble the second time = (2/5) x (2/5)=4/25
Aspartate and glutamate are two amino acids that are highly soluble in water. this is best explained by the fact that they __________.
Aspartate and glutamate are two amino acids that are highly soluble in water. This is best explained by the fact that they have electrically charged side chains or R groups.
What is Amino acid?Amino acids are organic compounds that consists of both amino and carboxylic acid functional groups. Hundreds of amino acids exist in nature, the most prevalent are the alpha-amino acids, which comprise proteins. Out of many only 22 alpha amino acids appear in the genetic code. Amino acids are the building blocks of proteins. When proteins are digested or broken down, amino acids are leftover. Our human body uses amino acids to make proteins which helps the body to break down food.
The nature of side chains or R groups determines how soluble each amino acid is in water.
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In the absence of carbohydrate, ________ are produced from the incomplete breakdown of body fat.
In the absence of carbohydrates, ketones are produced from the incomplete breakdown of body fat.
The body produces a small number of ketones all the time but the quantity increases when the amount of carbohydrates increases or the amount of fatty acids increases.
These ketones act as a substitute supply of energy when the supply of carbohydrates is short. This happens during dieting and fasting when the glucose level gets lower in the body.
Ketones are made in the liver by the breakdown of fats. Fats are increased because the fat cell releases the fats due to low insulin and normal level of glucagon and epinephrine.
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What are the main components of the central nervous system? a. brain and cranial nerves b. brain and spinal cord c. motor nerves and spinal cord d. spinal cord and spinal nerves please select the best answer from the choices provided a b c d
The main components of the central nervous system are brain and spinal cord.
The best answer is B, which stands for "brain and spinal cord."
What is in the nervous system?The brain and spinal cord comprise the nervous system, which would be the first of divisions of the nervous system. The peripheral nervous system, which is made up of nerves that leave the spinal cord and connect every region of the body, is interconnected.
How does the nervous system function?All bodily components can communicate thanks to the neurological system. Additionally, it reacts to changes occurring inside and outside the body. Information is sent and received by the nervous system both chemically and electrically.
Which three nervous systems are there?The sympathetic, parasympathetic, and enteric nervous systems are additional divisions of the ANS.
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Answer:
B. brain and spinal cord
Explanation:
The outer covering of gram-negative bacteria contains ______, a complex of carbohydrate and lipid responsible for symptoms such as fever and shock.
Lipopolysaccharide, a compound of carbohydrate and lipid responsible for symptoms including fever and shock, is found in the outer layer of gram-negative bacteria.
What traits do Gram-negative bacteria have?
The following traits apply to gram-negative bacteria:
Without an outer covering, the cell wall is very thin.Lipids make up a large portion of the sample.All different kinds of amino acids are present.There is less muramic acid in the mixture.Streptomycin causes sensitivity in it.Teichoic acid and magnesium ribonucleate are not present.What kind of bacteria fall under the gram-negative category?As well as many other uncommon bacteria, gram-negative infections can be brought on by Klebsiella, Acinetobacter, Pseudomonas aeruginosa, and E. coli.Gram-negative bacteria that are frequently isolated include Pseudomonas, Klebsiella, Proteus, Salmonella, Providencia, Escherichia, Morganella, Aeromonas, and Citrobacter.learn more about gram-negative bacteria here
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In your own words what is Adhesion water property
Answer:
Adhesion of Water Molecules. The adhesion property is also often observed in water. This is because the adhesion of water allows it to "stick" to many surfaces and objects. The adhesion of water is best explained as the ability of water to stick to other surfaces through the creation of weak surface bonds
Explanation:
There are 8 pairs of cervical spinal nerves, but only 7 cervical vertebrae, because the first cervical pair emerges between the ______ and the ______.
The first cervical pair emerges between the base of the skull and the neck (thoracic vertebrae).
The cervical spine is the neck region of the spine and is made up of eight cervical spinal neurons and seven stacked bones called vertebrae. Your cervical spine's first two vertebrae are distinct in both form and function. The atlas, which is the first vertebra (C1), is a ring-shaped bone that starts at the base of your skull. Your head is held upright by the atlas. The atlas can pivot against the second vertebra (C2), which is referred to as the axis, allowing for the side-to-side "no" rotation of your head. Facet joints, which connect the seven cervical vertebrae (C1 to C7) at the rear of the bone, allow your neck to move forward, backward, and in a twisted position. According to their order from superior (C1, or the first cervical vertebra), to inferior, each cervical vertebra is given a name (C7 or seventh cervical vertebra). Except for spinal nerve C8, which appears below vertebra C7 and above vertebra C6, the cervical nerves are numbered by the vertebra below and run from the base of the skull to the thoracic vertebrae in the neck.
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The rigid ______ of most bacterial cells surrounds the cell membrane, protecting the cell and giving the cell shape.
Answer:
cell wall
Explanation:
The __________ conveys information about movement from the cerebral hemispheres to the cerebellum
The pons conveys information about movement from the cerebral hemispheres to the cerebellum.
What is brain?
Brain is defined as an important organ of body which controls all the functions of the body and have command on all the body organs.
The outermost part of brain is known as dura mater which consist of a strong membrane layering and it is thick located just beneath the skull and vertebral column.
The outermost part or cerebrum has billions of neurons and glia that are responsible for the formation of cerebral cortex, the outermost part.
Whenever body stuck in a dangerous situation, the signal in the form of information is conveyed to brain and the particular part that receives the signal is known as amygdala.
Therefore, The pons conveys information about movement from the cerebral hemispheres to the cerebellum.
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Epithelial cells of kidney tubules may have many microvilli. what is the reason for the microvilli?
To expand the surface area of the tubule and maximize the reabsorption of vital chemicals, the cells lining the proximal convoluted tubule develop microvilli. Microvilli are hair-like protrusions that come from a cell's nucleus.
Reabsorption- Water and other solutes are reabsorbed as they return from the tubule to the plasma. Over the whole length of the renal tubule, various amounts of water and particular solutes are reabsorbed.
Proximal Convoluted Tubule (PCT)- Between Bowman's capsule and the loop of Henle, the proximal convoluted part of the vertebrate nephron plays a key role in the resorption of water, sodium, and chloride ions, and sugar from the glomerular filtrate.
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Amino acids and peptides in the stomach lumen stimulate acid secretion during the ________ phase of gastric secretion.
Amino acids and peptides in the stomach lumen stimulate acid secretion during the gastric phase of gastric secretion.
The vagus nerve and the discharge of gastrin mediate the gastric phase. The acidity of the stomach contents after eating is buffered by proteins, resulting in an overall pH of 3 (acidic) for nearly 90 minutes. During the gastric phase, acid is still secreted in reaction to distension, and the amino acids and peptides are freed from protein as digestion progresses.
The chemical response of liberated peptides and amino acids causes gastrin to be released from the antrum into the bloodstream. Thus, hormonal, chemical, and mechanical factors play a role in the gastric secretory reaction to eating. This stage lasts until the meal has passed through the stomach.
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PLEASE HELP!!
Your lunch consists of an orange, wheat crackers and a glass of milk. Which part of your
lunch will give you quick energy and which part will give you enough energy to get through
the rest of the day? EXPLAIN YOUR ANSWER
Answer:
oranges
Explanation:
Oranges are rich in vitamin C, folate, and potassium. When eaten, oranges, like apples, will provide you with sustained energy as opposed to a quick jolt. Additionally, fruits contain simple carbohydrates that your body easily breaks down into glucose to give you a quick boost of energy.
_____ tissue covers external and internal surfaces.
a. nervous
b. connective
c. epithelial
d. muscle
Epithelial tissue covers external and internal surfaces.
In the field of science, epithelial tissue can be described as the tissues which line the internal surfaces of organs and cover the external surfaces in the body of an organism. Hence, the correct option is c. epithelial tissue.
The epithelial tissues of the body perform various functions such as protecting the other body tissues. There are certain epithelial tissues present in the glands which aid in the secretion of various enzymes and hormones. They also aid in the absorption of materials in the liver and lung cells. They help in the process of excretion by producing sweat. They also help the kidneys in filtering blood.
Option a is not correct because nervous tissues are in the interior of the body.
Option b is not correct because connective tissue covers the internal organs but it is not present in external surfaces.
Option d is not correct because muscle tissues are present in the interior of the body, not the exterior.
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Slowing signals between neurons is a function of __________. a. excitatory receptors b. excitatory neurotransmitters c. inhibitory receptors d. inhibitory neurotransmitters please select the best answer from the choices provided a b c d
Answer:
b excitatory neurotransmitter
Answer: D
Explanation:
i took the test
Recurrent sexually arousing fantasies and behaviors involving nonhuman objects is an indication of:_________
Recurrent sexually arousing fantasies and behaviors involving nonhuman objects is an indication Paraphilias
Intense sexual fantasies, impulses, or behaviors that frequently involve nonhuman objects are known as paraphilias. These paraphilias make the patient, the patient's partner, the patient's kids, and other non-consenting people suffer or feel humiliated. The symptoms of many people with hypersexuality, however, entail more socially acceptable behaviors; these symptoms have been described as compulsive, addictive, or impulsive. Although the exact causes of paraphilias in persons are unknown, some evidence suggests that there may be a prenatal neurodevelopmental link.
Paraphilia symptoms may include compulsive attention that interferes with an individual's attempts to think about other things or participate in more traditional sexual behavior with an age-appropriate partner. Patients with paraphilia may experience depression or anxiety, which paraphilic behavior can temporarily alleviate, starting an addictive cycle.
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A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. the nurse expects that this medication will:______
A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. the nurse expects that this medication will: dilate the pupil.
What is sympathetic nervous system?
A network of neurons in your body called the sympathetic nervous system aids in the "fight-or-flight" reaction. When you're under stress, in danger, or engaged in physical exercise, this system becomes more active. Its effects include accelerating respiration and heart rate, enhancing vision, and slowing down bodily functions including digestion.
The sympathetic nervous system regulates the muscles that enlarge the pupil.
Question:
A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. The nurse expects that this medication will:
1. prepare the eye for near vision.
2. increase the ability of the eye to tear.
3. constrict the pupil.
4. dilate the pupil.
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Regulation of heart rate, blood pressure, and digestive functions are carried out by the ______________________.
Regulation of heart rate, blood pressure, and digestive functions are carried out by the autonomic nervous system
What is autonomic nervous system?
The peripheral nervous system's autonomic nervous system (ANS), originally known as the vegetative nervous system (VNS), provides smooth muscle and glands, which in turn affects how internal organs work. The autonomic nervous system is a control system that regulates body processes like the heart rate, digestion, respiratory rate, pupillary response, and urination mainly subconsciously. The fundamental mechanism in charge of the fight-or-flight response is this system.
Through the brainstem, the spinal cord, and the organs, integrated reflexes control the autonomic nervous system. Control of respiration, cardiac regulation (the cardiac control center), vasomotor activity (the vasomotor center), and other reflex acts including coughing, sneezing, swallowing, and vomiting are all examples of autonomic functions.
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In which biome would you expect to find each location, given the precipitation and temperature data? use scientific reasoning to explain your answer.
Answer:
A forest or rainforest biome
Explanation:
A biome is a significant geographic area made up of various ecologies that share common qualities. Temperature and precipitation play a major role in determining biomes. Generally, higher latitude biomes—those that are away from the equator—are colder and damper. Since warmer air stores more humidity than that of colder air, biomes that are near the equator are often warmer and drier. What drives the biomes' geographic placement?
A biome's climate is mostly determined by the forms of life that exist there. Latitude, geographic characteristics, and atmospheric mechanisms that disperse heat and humidity are only a few of the variables that affect climate. Scientists disagree on the number of distinct biomes that exist.
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If there are 10 millimeters per centimeter and you have an object that is 50 millimeters long, how many centimeters long is it?
Answer:
5 centimeters
Explanation:
Olfactics, or your sense of ______, operates subtly but powerfully to influence your reactions to other people.
Olfactics, or your sense of smell, operates subtly but powerfully to influence your reactions to other people regarding environmental stimuli to different factors.
What is the olfactory epithelium?The term olfactory epithelium makes reference to the smell sense, which depends on specialized cell receptors that cover the cells in the airways and help to sense different small in nature as well as to trigger responses depending on these environmental stimuli.
In conclusion, olfactics, or your sense of smell, operates subtly but powerfully to influence your reactions to other people regarding environmental stimuli to different factors.
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Stem cells that will form t lymphocytes mature in the stem cells that will form t lymphocytes mature in the:_____.
a. liver.
b. thymus.
c. bone marrow.
d. kidneys.
e. spleen.
Stem cells that will form t lymphocytes mature in the stem cells that will form t lymphocytes mature in the Thymus.
T cells proliferate and differentiate into memory T cells, helper, regulatory, or cytotoxic T cells in the thymus. After that, they are planted into perivascular tissues or moved around by the lymphatic or blood systems.
Thymus, pyramidal lymphoid organ located just below the sternum at the level of the heart in humans. The organ is called the thymus because its shape resembles that of a thyme leaf.
The organ is composed mainly of two types of cells called respectively lymphocytes and reticular cells. The reticular cells form a loose network like in a lymph node, while the spaces between them are filled with lymphocytes. The cortex, characterized by its high concentration of lymphocytes, is the site of intense lymphocyte proliferation. Lymphocyte proliferation in the thymus is evenly distributed throughout the cortex and not in the germinal centers as is the case in other lymphoid tissues. Some of the daughter cells - called T cells (derived from the thymus) - produced in the cortex migrate to the marrow, where they enter the bloodstream through the medullary veins and join the lymphocytes in the peripheral blood and lymphoid organs.
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A girl born with nonfunctioning ovaries could be expected to have a deficiency in the activity of which type of cell?
A girl born with nonfunctioning ovaries could be expected to have a deficiency in the activity of Osteoblasts.
Ovaries are the primary reproductive structures of the female which is responsible for the production of female sex hormones like estrogen and progesterone.
These hormones are also associated with the activity of the osteoblasts cells that are responsible for producing the matrix of the bone.
If a girl is born with non functional ovaries she would not be producing estrogen which in turn will decrease the activity of the osteoblasts cells of the bone leading to porous bones that are prone to breaking.
Even during menopause females become prone to osteoporosis due to low activity of osteoblasts cells.
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When individuals' genes may systematically relate to the types of environments they are exposed to, it is called?
When individuals' genes may systematically relate to the types of environments they are exposed to, it is called heredity-environment correlations.
Gene is the basic unit of inheritance. It encodes the information for any trait that is expressed by means of formation of proteins. Each gene can have its two or more alternative forms that are called allele. These alternative forms are the result of mutations.
Heredity-environment correlation is the effect on a gene due to hereditary and environmental factors and the result that emerges out of it. These correlations can have three mechanisms: (a) Passive gene-environment correlation; (b) Evocative (or reactive) gene–environment correlation; and (c) Active gene–environment correlation.
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Which dna genome, upon entry to the cell, can be immediately copied into mrna? linear ssdna
dsDNA, upon entry to the cell, can be immediately copied into mRNA.
dsDNA- Two polynucleotide chains with nitrogenous bases joined by hydrogen bonds make up double-stranded DNA. Due to the anti orientation of the sugar-phosphate backbones and the complimentary nature of the A-T and C-G base pairing, one strand in this arrangement mimics the other.
Cell- The science of structure and function of cells is known as cell biology, and it is based on the idea that a cell is the basic building block of all life. A thorough understanding of the organisms and tissues that cells make up is made possible by concentrating on the cell.
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