Visual field cuts, trouble seeing objects or colors, trouble reading or writing, blindness, an inability to distinguish written words, an inability to detect moving things, and poor processing of visual information are all symptoms of occipital lobe damage.
Damage to the primary visual cortex, also known as V1, in the area of vision, but not to any other cortical region, eliminates visual awareness and causes persistent blindness. issue, known as anosognosia, which is when you are unaware that you are unaware of something. Even though they may be blindness, many patients believe that they can see.
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a scientist is attempting to provide support for the hypothesis that rna was the first genetic material. which of the following would be a workable alternate hypothesis? responses rna, like dna, is a carrier of genetic information and contains the nitrogen bases adenine, guanine, and cytosine. r n a , like d n a , is a carrier of genetic information and contains the nitrogen bases adenine, guanine, and cytosine. rna can be observed to self-replicate without the assistance of proteins, while dna always requires protein-based enzymes to replicate. r n a can be observed to self-replicate without the assistance of proteins, while d n a always requires protein-based enzymes to replicate. rna exists in both single-stranded and double-stranded configurations; however, it is less stable compared with dna. r n a exists in both single-stranded and double-stranded configurations; however, it is less stable compared with d n a . transfer rna and ribosomal rna are products of transcription, but they are not translated as is mrna.
The correct alternative hypothesis is that RNA can be observed to replicate on its own without the aid of proteins, whereas DNA always requires protein-based enzymes to replicate.
For the first time, researchers synthesized self-replicating RNA enzymes without the aid of proteins or other cellular components, and the process continued indefinitely.
In the modern world, DNA carries the genetic sequence of evolving organisms, whereas RNA relies on DNA to carry out its functions, such as building proteins. However, the leading theory of the origin of life called the RNA world model, posits that because RNA can function as both a gene and an enzyme, it may have separated DNA and protein and served as the precursor molecule of life. However, the process of genetic molecular copying, considered fundamental to life, appears to be highly complex and involves many proteins and other cellular components.
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The terms color-blind and nontraditional have all been problematic terms to describe attempts to address diversity in.
The terms "color-blind" and "nontraditional" are problematic terms for addressing diversity in culture.
Color blindness is a racial ideology that argues that the best way to end discrimination is to treat individuals equally, regardless of race, culture, or ethnicity.
The word "blind" means unable to see. That is, in terms of racial color blindness, one also chooses to see not only race or color, but also racial differences, inequalities, histories of violence, and recent traumas perpetuated in racist societies.
Colorblind racial ideology is the belief that a person's race or ethnicity should not influence how that person is treated in society. Color avoidance is the belief that people should not be treated differently because of the color of their skin.
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If a man with type A blood marries a woman with type B blood. Their child is blood type O, then the genotypes of the parents are
The child would receive either an A allele or a B allele from the mother and a B allele or an O allele from the father. Therefore, the child could not be blood type O.
So each child has a 75% chance of being a B and a 25% chance of being an O. Keep in mind that genetically, not all B blood type children are the same. The BB child will only pass on the B version of the gene. The BO child can pass on his version of the O gene. A parent with A and another with B can produce a child with A, B, AB, or O blood types. If one parent has A and another has AB, they can produce a child with blood types A, B or AB. If one parent has A and another has O, they can produce a child with A or O blood types.
For example, a man who has type AB blood could not father a child with type O blood, because he would pass on the A allele or the B allele to all of his offspring.
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Organisms have changed over time; new species have appeared while other species have gone extinct. This is a description of.
Answer:
Sympatric.
Explanation:
identify the four postulates of natural selection. select all that apply. view available hint(s)for part a identify the four postulates of natural selection.select all that apply. individuals in a population all possess the same traits. survival and reproductive success are variable among individuals in a population. some trait differences are heritable. individuals with certain traits are more likely to survive and reproduce. all individuals in a population have equal reproductive success. individuals in a population vary in the traits they possess.
Some trait differences are heritable. Individuals with certain traits are more likely to survive and reproduce.
Individuals in a population vary in the traits they possess.
Survival and reproductive success are variable among individuals in a population.
The state of the male and female reproductive systems at all stages of life is referred to as reproductive health. Organs and hormone-producing glands, such the pituitary gland in the brain, make up these systems. Reproductive organs, or gonads, such as the ovaries in females and the testicles in males, maintain the health of their respective systems. Because they manufacture and release hormones, they also serve as glands.
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explain how global warming could have affected yellowstone frog and salamander habitats, resulting in changes in the populations of these species.
This has reduced the size of the habitat available for frogs and salamanders. - Global warming has resulted in less rain and snow in Yellowstone.
What is Global warming?
Global warming can be defined as the long-term heating of Earth's surface observed since the pre-industrial period.The 3 main causes of global warming includes Burning fossil fuels, cutting down forests and farming livestock.This has resulted in the loss of many ponds once inhabited by frogs and amphibians. It can result in many serious alterations to the environment, eventually impacting human health, rise in sea level, leading to the loss of coastal land, a change in precipitation patterns, increased risks of droughts and floods, and threats to biodiversity.To know more about Global Warming from the given link
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compared with fraternal twins, identical twins are similar in neuroticism and similar in risk of divorcing. question 16 options:
Compared with fraternal twins, identical twins are similar in neuroticism, extraversion, and temperament
Are identical twins actually fraternal twins?
Fraternal twins are not identical twins since they were created when two different eggs were fertilized by two different sperm cells at the same time. Identical twins are produced when a fertilized egg divides in two; one egg, one sperm, and two offspring.
Why are fraternal twins special?
Identical or monozygotic twins share 100% of their DNA, whereas fraternal twins only share about 50%. They are therefore genetically identical to non-twin siblings.
How rare is it to have a fraternal twin?
The likelihood of having identical twins is about 3 in 1,000 worldwide, while the prevalence of fraternal twins varies by region and might be anywhere from 6 and 20 per 1,000 deliveries.
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What are private clubs called?.
Private club equipment is known as a country club, a private club is an area to meet and mingle with human beings of similar hobbies.
The club is non-public due to the fact no longer just everybody can be part of or input. You need to be a member. that means you'll in all likelihood pay dues or membership charges.
A rustic membership is a privately owned club, regularly with a membership quota and admittance by using invitation or sponsorship, that typically offers each a diffusion of recreational sports activities and facilities for dining and excitement.
A few ought to argue they may be extra important now than ever before! ahead-questioning golf equipment has the possibility to reinvent itself to fit the modern-day needs of its members—making personal clubs now not most effective and applicable, but vital to the inner workings of an individual's life and circle of relatives' activities.
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The production of new skin cells in what layer typically keeps pace with the loss of cells from the stratum corneum?.
The production of new skin cells in what layer typically keeps pace with the loss of cells from the stratum corneum is known as the stratum basale.
A cuboidal-shaped stem cell known as a basal cell is a precursor to the keratinocytes that make up the epidermis. This single layer of skin cells, which continuously undergo mitosis to make new cells, is the source of all keratinocytes.The skin is actually formed of tissues that work as a unified structure to carry out specific and important duties, despite the fact that you do not generally conceive of the skin as an organ. The integumentary system, which gives the body general protection, is comprised of the skin and its supporting components. Connective tissue holds the skin's many layers of cells and tissues to the underlying structures . The epidermis, which is connected to the deeper dermis, is the skin's outermost layer. Hair, glands, and nails are present in close proximity to the skin as auxiliary tissues. The deeper layer of skin is superficial to the hypodermics and strongly vascularized (has many blood vessels). It has several sensory features as well.
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what pancreatic hormone initiates glycogenolysis when blood sugar levels are low? group of answer choices ghrelin insulin glucagon igf1
The pancreas releases glucagon to raise endogenous blood glucose levels through glycogenolysis when blood glucose levels are low.
Does glucagon cause glycogenolysis to occur?As its main method of boosting blood glucose levels, glucagon encourages glycogenolysis in liver cells. Adenylyl cyclase stimulation, intracellular cAMP synthesis, and phosphorylase-a activation all seem to play a role in how this action is mediated.
Which hormone is produced when your blood sugar is low.Adrenaline is a hormone that the body releases when blood sugar levels become dangerously low. Adrenaline speeds up the release of glucose from storage from the body.
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behavior has evolved independently in the majority of fish species because it may confuse predators, enhance foraging, and save energy by swimming together.
Since schooling may confuse predators, improve foraging, and conserve energy by swimming together, it has independently evolved in the majority of fish species.
What value does education have?master the fundamentals
We can learn a lot of fundamental skills in the setting provided by school. Reading and writing instruction begins in preschools with three-year-olds. They begin to learn the alphabet, numbers, and even some basic math exercises.
Why is energy conservation important?Energy conservation improves the environment for everyone by lowering air and water pollution and conserving natural resources. Efficiency also generates employment and financial savings.
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several years ago, a man noticed a small mole on his wrist. years later, the mole grew in size and the man was diagnosed as having metastatic melanoma. this was likely the result of: please choose the correct answer from the following choices, and then select the submit answer button. answer choices several mutations affecting proto-oncogenes and/or tumor suppressor genes. a single mutation inactivating a tumor suppressor gene. a single mutation affecting one proto-oncogene in a cell. none of the other answer options is correct; cancers arise spontaneously, independent of mutations.
The growth of the mole in size and its diagnosis as metastatic melanoma was likely the result of (a) several mutations affecting proto-oncogenes and/or tumor suppressor genes.
In the field of science, such genes that have the ability to cause cancer in an organism as a result of a mutation are referred to as proto-oncogenes. Proto-oncogenes are cancer-promoting genes.
Tumor suppressor genes are genes that help in suppressing a tumor inside an organism. Mutations in these genes can cause an inability of these functions such that tumor suppressor genes will no longer be able to suppress tumors.
Metastatic melanoma is a condition that arises due to increasing in the cancer cells in the body. This occurs due to the increased number of mutations that arise in either the proto-oncogenes or tumor-suppressing genes or both in an organism. This was the reason that the mole grew in size.
The question can be written clearly as:
Several years ago, a man noticed a small mole on his wrist. years later, the mole grew in size and the man was diagnosed as having metastatic melanoma. this was likely the result of:
please choose the correct answer from the following choices
a.several mutations affecting proto-oncogenes and/or tumor suppressor genes.
b. a single mutation inactivating a tumor suppressor gene.
c. a single mutation affecting one proto-oncogene in a cell.
d. none of the other answer options is correct; cancers arise spontaneously, independent of mutations.
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how enzymes bring about digestion in the small intestine of a non-ruminant animal
Answer:
The components of the non-ruminant digestive system are mouth, esophagus, stomach, small intestine, large intestine, and rectum. Non-ruminant animals do not chew the cud. Also, they do not digest the plant materials such as cellulose through fermentation.
Consider the following figure. It illustrates that a single amino acid substitution in the hemoglobin gene _______________.
may alter a protein so that it no longer functions properly
It is true that the figure illustrates that a single amino acid substitution in the hemoglobin gene may alter a protein so that it doesn't function properly any longer.
Hemoglobin consists of two pairs of different proteins, designated the β and the α chains. There are 141 amino acids in the α chains of hemoglobin and 146 amino acids in the β chains of hemoglobin.
Among adult sickle cell anemia patients, various fetal hemoglobin levels suggest genetic modulation of gamma-globin gene expression. Different fetal hemoglobin levels in sickle cell anemia are associated with distinct beta-globin gene haplotypes. Haplotype may be a marker for linked DNA modulating gamma-globin gene expression.
The missing figure has now been attached to this answer.
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There are actions that many entities can take to reduce their water consumption. Suppose you are an employee of the Comision Nacional del Agua (the National Water Commission) in Mexico. Your job is to help the federal government identify and support water saving activities.
Of the eight actions below, which four would you support to further water conservation initiatives?
Of the eight actions below, which four would you support to further water conservation initiatives?
A large farm increases the depth of its wells.
A coal-fueled power plant reduces its amount of evaporation.
A state diverts a border river toward the center of the state.
A city decreases the cost of water during a drought.
A municipality increases the surface area, but not the volume, of its local reservoir.
The federal government requires that appliances have water efficiency labels.
A student group encourages people to use graywater to water their plants.
A citrus farm buys waste water from a fish farm to water its citrus trees.
Reduced evaporation is a benefit of coal-fired power plants. The waste water from a fish farm is purchased by a CITRUS FARM to water its citrus crops. Appliances need to have WATER EFFICIENCY LABELS, according to federal law. Graywater is promoted by a student organization as a plant-watering option.
Why Should We Conserve Water?Utilizing water wisely to eliminate wasteful water use is known as water conservation. Fresh clean water is a scarce resource that is also expensive, so it is crucial to save water, claims Fresh Water Watch. You are undoubtedly already aware of the financial penalties of poor water consumption since you are a homeowner. The ecology, as well as our finances, depend on this natural resource's conservation. Although toilets, washing machines, showers, baths, faucets, and leaks account for the majority of household water use, there are still some fairly easy ways to reduce water consumption. These ten water-saving suggestions will get you started on the road to water conservation in your home. In the water tank of your toilet, place a brick. An average person flushes 20 gallons of water down the toilet each day. Try filling your toilet tank with something that will move some of that water if you don't have a high-efficiency toilet, like a brick. Pour the appropriate amount of water into each laundry load. Doing laundry typically accounts for 15–40% of indoor home water use. Make sure to set your machine's settings to the lowest possible level to conserve water. For each load of laundry, use the appropriate amount of water. Laundry usage accounts for 15–40% of all water used indoors. Make sure your machine's settings are adjusted to the appropriate load size to conserve water. Decide on a washing machine carefully. Front-loading washing machines typically consume less water than top-loading ones when comparing their water usage. Don't overwater plants. To ensure that the water lasts and does not quickly evaporate in the blazing sun, water your lawn or garden in the early morning or late at night. Get a low-flow showerhead installed. You can conserve 15 gallons of water during a 10-minute shower by using a low-flow showerhead. Fixing leaky faucets and toilets is one of the most efficient ways to reduce your water usage. Employ a dishwasher.
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What are the 3 three basic process of approach to gene therapy?.
The 3 basic process of approach to gene therapy are
Identification of the gene in question Duplication of that geneInsertion of the gene into the human genomeGene therapy is a medical strategy that addresses the underlying genetic issue in order to treat or prevent disease. Instead of using drugs or surgery, gene therapy techniques allow doctors to treat a disorder by changing a person's genetic makeup.A select few disorders, including an eye condition called Leber congenital amaurosis and a muscle condition called spinal muscular atrophy, are being treated with gene therapy. To ensure that they will be secure and efficient, many other gene therapies are undergoing study. Medical professionals hope to soon use the promising technique of genome editing to treat human disorders.
Hence, gene therapy involves replacing of defective gene with functional one.
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Which of the following components is NOT used in PCR?
a. DNA template
b. DNA nucleotides
c. RNA polymerase
d. Primers
RNA polymerase
RNA polymerase is not used in PCR.
What is RNA polymerase?Two brief DNA sequences called primers are designed to anneal to the start and finish of the DNA target. Following that, the target DNA template is placed in a tube containing primers, free nucleotides, and the DNA polymerase enzyme. After that, the mixture is put into a PCR machine to carry out PCR.
Taq polymerase, primers, template DNA, and nucleotides are the main components of a PCR reaction (DNA building blocks). DNA can be created by assembling the components in a tube with the cofactors the enzyme requires and putting them through repeated cycles of heating and cooling.
Denaturation, annealing, and extension are the first three PCR steps, and subsequent cycling results in an exponential amplification of the target DNA.
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what is controversial about biomass energy (select all that apply, there are one to four possible correct answers)?
The controversial statement about biomass energy is that it produces enough of harmful chemicals and pollutants and causes air pollution. When the biomass is burnt even if it is much safer than the pollutants that are produced by the man but still much more contribution to the air pollution.
What is air pollution ?It is defined as the incorporation of harmful pollutants, air polluting agents and harmful toxins that get released in air and contribute to the air pollution.
Air pollution causes severe diseases in humans as mostly are the respiratory problems where the air is polluted to this level that the harmful toxins get mixed with air and people inhale them and get infected with diseases like asthma, lung infections and breathing problems.
In order to prevent the situation it is necessary to get tested the air quality index timely.
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in which case dd the us supreme court establish the precedent allowing civilians to bring a suit against federal law enforcement officers and other government employees under 42 usc section 1983
The US supreme court establish the precedent allowing civilians to bring a suit against federal law enforcement officers and other government employees under 42 US section C 1983 during the case of WEBSTER BIVENS VS 6 UNNAMED FBI AGENTS and suit against federal law enforcement.
What is the law under 42 US section C of 1983?Section C of 1983 gives individuals the right to sue the federal and state government employees and law enforcement officers acting under color of state law for violations of their civil rights.
For this section, its purpose was derived from the case between Webster Bivens and 6 unnamed FBI agents after a complaint that these agents made a warrantless entry to search his apartment.
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if a potato is allowed to dehydrate by sitting in the open air, would the water potential fo teh potato cells decrease or increase?
The water potential would decrease if the potato were allowed to dry by sitting outside in the open air because the concentration of solutes within the cells would rise as the potato cells dried out. As a result, both the water potential and osmotic pressure drop.
Does water potential rise with dehydration?The desorption isotherm was used to estimate the water potential using the equilibrium dehydration technique. Dehydration causes a reduction in water potential.
Regarding water potential, it follows that a potato that has been kept for a while will have a greater water potential since it contains less water; as a result, water from the outside will enter the potatoe more quickly due to the wider concentration gradient.
The energy stored in the hydrogen bonds forming between the molecules of the solute and the water is no longer usable for work.
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When using a microscope and the low objective lens is being used then which adjustment can you use?.
When using a microscope and the low objective lens is being used then we use fine adjustment.
How is the light on a microscope adjusted?
Result for an image Which area of the microscope enables you to change how the slide is positioned in relation to the light source?
On the side of the compound microscope body is where the rheostat control for the microscope is located. Usually, it will be a knob that may be moved clockwise to intensify the light or counterclockwise to dim it.
The condenser, which is positioned beneath the stage, focuses the light to produce strong, even illumination in the area surrounding the object being seen. Critical illumination is the process of focusing the light source's image via the condenser directly onto the plane of the specimen.
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select all that apply. which receptors are metabotropic? group of answer choices nicotinic adrenergic muscarinic
The muscarinic receptors are metabotropic. The correct answer is option(c).
Muscarinic ACh receptors (mAChRs) are metabotropic receptors that, contingent upon their union to G-protein α-subunits, can prevent or inspire postsynaptic neurons, while nicotinic ACh receptors (nAChRs) are ligand-people present at event cation channels that straightforwardly inspire postsynaptic neurons.
While muscarinic receptors are metabotropic receptors, bringing about a G-protein connected second-messenger cascade, nicotinic receptors are ligand-people present at event ion channels, superior to a cation flow and so to a depolarization of the container. Nicotinic receptors are otherwise known as ionotropic acetylcholine receptors while muscarinic receptors are otherwise known as metabotropic acetylcholine receptors contingent upon their operation.
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the na-k ion exchange pump actively transports 3 intracellular sodium ions for 1 extracellular potassium ion. 3 intracellular sodium ions for 2 extracellular potassium ions. 1 intracellular sodium ion for 2 extracellular potassium ions. 2 intracellular sodium ions for 1 extracellular potassium ion. 3 extracellular sodium ions for 2 intracellular potassium ions.
The Na-k ion exchange pump actively transports 3 intracellular sodium ions for 2 extracellular potassium ions. The correct answer is option(b).
Ion exchange pumps/transporters are transmembrane proteins that admit ion fluidity across organic membranes against their concentration slope. Ion pumps demand strength consistently from ATP hydrolysis, as long as exchangers use the energy settled for one aggregation slope of another ion.
The ion exchange synthetic process works by killing discontinued ancient culture contaminators from the water. These ions are swapped for a better one that achieved humiliates the character of your water. Water softeners are very analogous to ion exchange systems because two together orders can eliminate magnesium and calcium ions from the water. The sodium ion (Na+) is an important cation in extracellular space. With allure introduction into the container, Na+ can be a part of a detracting intracellular second messenger that manages many natural functions.
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What are the 5 unifying themes in the study of biology?.
The unifying themes are enterprise, information, electricity count number, interaction, and Evolution. those subject matters play a component in biology as they can be used to examine positive elements of the way organisms interact with other organisms and their surroundings.
Evolution, biology's central theme, explains the harmony and variety of life. The Darwinian theory of natural selection debts to the adaptation of populations to their surroundings.
The term topic can be defined because of the underlying means of a tale. it's far the message the author is attempting to bring thru the story. often the theme of a story is a large message approximately existence. The theme of a story is vital because a story's theme is a part of the cause of why the author wrote the story.
Differential reproductive achievement of various indiviTwo crucial unifying themes in biology is that 1) existence is organized on many levels, and 2): The genetic characteristics of individuals in a populace trade over time. information that is based on enjoyment and statement.
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which form of acne is highly inflammatory and may cause disfiguration with the formation of communicating cysts?
Acne conglobata (AC) is a highly inflammatory form of acne that can cause disfigurement due to the growth of communicating cysts.
Acne conglobata is an excellent but harsh form of blemishes. It occasionally presents with deep delving abscesses that pertain accompanying each one. Scar establishment and deformity of the corpse are common in this moment types of blemishes.
Acne conglobata has happened favorably doctored by a colorless odorless gas ray of light combined with accompanying restricted tretinoin cure. When harsh blemishes conglobata is insensitive to more conventional options, up-to-date outside beam dissemination grant permission be an alternative. Cysts are sacs or capsules that form in the skin or inside the carcass. They can contain fluid or flesh of plant material. Although cysts can perform any place in the material, often they serve the skin, ovaries, bosoms, or kidneys. Most cysts are not cancerous.
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list three differences between gram positive and gram negative bacteria besides the color difference when they are stained.
Gram-positive cells retain the purple stain after the gramme staining technique. Gram-negative cells do not retain the purple stain after the gramme staining technique.
What distinguishes bacterial stains that are Gram positive from those that are Gram negative?While Gram negative bacteria have an outer lipid membrane and a thin peptidoglycan layer, Gram positive bacteria have a thick peptidoglycan layer.
What distinguishes the cell walls of Gram positive and Gram negative organisms?Thick layers of peptidoglycan make up the cell wall of gram-positive bacteria. In contrast, gram-negative bacteria have a cell wall made of very thin peptidoglycan layers. A gram-positive cell retains the purple stain after the gramme staining process.
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How do proteases function?.
Proteases modify protein-protein interactions, control the destiny, location, and activity of numerous proteins, and produce new bioactive molecules.
Where are proteases used?Proteases are utilised by an organism for a variety of metabolic functions. We are able to digest the protein in meals thanks to serine and acid proteases found in the duodenum and stomach, such as pepsin and chymotrypsin. Blood serum contains proteases (thrombin, plasmin, Hageman factor, etc.)
How does digestion use protease?Proteases are released by the pancreas into the proximal small intestine, where they combine with proteins that have already been altered by gastric secretions and break them down into amino acids, which are then absorbed and utilised by the body as necessary.
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- true or false? the cftr protein directly transports both cl- and na ions across the plasma membrane of epithelial cells. true false
true..............................
The way in which living organisms depend on each other to survive, grow and reproduce.
In biology, fitness describes an organism's ability to survive and reproduce. Classify each example of inherited variation as acting to increase or decrease an organism's fitness.
The ability of an organism to survive and reproduce is referred to as fitness in biology. Darwin claimed that organisms that are better adapted to survive have higher fitness.
According to Darwin's theory of evolution, organisms that are better adapted to their environment and that can adapt to environmental changes are more fit. These organisms then impart their traits to their progeny. Boosts fitness: A red male beetle is preferred by females over other colour variants; A mouse with specific kidney adaptations requires less water; A dark-colored moth is able to avoid predators on black-barked trees; lowers fitness Small-baked finches are less able to consume large seeds, and bright orange beetles are easier to spot by birds that eat them.
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