Answer: R -Strategists
Explanation: R-Strategists are better suited for rapidly changing environmental conditions.
in a population of lizards, the average tail length is selected against and the long and short tails are selected for in the population. which form of selection is best represented by this scenario?
Natural selection ensures that the fittest lizard survive by transferring the gene for survival to their offspring, preventing extinction.
Which of the following scenarios best exemplifies lizards' method of selection?According to an article published published this week in Nature, lizards that can securely cling to bushes are often more likely to withstand hurricanes – an instance of natural processes at action.
Hurricanes and other natural catastrophes can have catastrophic effects on ecosystems and cause widespread fatalities. However, it is unclear whether hurricane deaths are random or if they favor those with particular physical characteristics, such the capacity to withstand gale-force winds.
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wo friends are discussing physical and chemical changes. isabela says that when you eat, it is a physical change because when you chew, the food is only changed into smaller pieces. mirabel says that when you eat, it is a chemical change because your body digests the food as the chemicals in your body break down the food into energy. who is right?
When one eats, the food is not just changed into smaller pieces, digestion of the food starts right from the mouth. Thus, Mirabel is right.
Food digestionThe digestion of most food types starts from the mouth once they get mixed with the saliva in the mouth. The digestion process continues in the stomach and is eventually finalized.
The digestion of foods is a chemical reaction. That is, foods are not just churned into pieces, they undergo chemical changes through the activities of enzymes.
In physical changes, substances only change physically and not chemically. Thus, they can be retrieved in most cases. This is unlike what is obtainable with chemical changes. Both the physical and chemical properties of food become irreversibly changed with the digestive activities of enzymes.
Thus, Mirabel is right in her assertion while Isabela is wrong.
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The complimentary base strands for TGA CAA CGA GGT ACT are
Chargaff's rule, also known as the complementary base pairing rule, states that DNA base pairs are always adenine with thymine (A-T) and cytosine with guanine (C-G). A purine always pairs with a pyrimidine and vice versa. However, A doesn't pair with C, despite that being a purine and a pyrimidine.
Explanation:Complementary base pairs refer to the nitrogenous bases adenine, thymine, cytosine, and guanine. in a double strand of DNA, adenine will always pair with its complement thymine and cytosine will always pair with its complement guanine. This means that the two strands are complementary to each other. For example, a strand of DNA with a nucleotide sequence of AGTCATGA will have a complementary strand with the sequence TCAGTACT.
Phospholipids are found in a limited number of foods. They consists of a glycerol backbone with two fatty acids and a compound that contains phosphate. Why are they important in food and in the body?.
A substance with one or more hydroxyl groups is alcohol. A saturated carbon atom is joined to the hydroxyl functional group. 1. Alcohols are a class of volatile hydroxyl chemicals created by distilling hydrocarbons.
Answer is alcohol
The body's reaction to alcohol is what?Alcohol is a depressant of the central nervous system. This indicates that the medication slows brain activity. Your mood, conduct, and self-control may change as a result. It may impair one's memory and ability to think coherently. Your physical control and coordination may be impacted by alcohol as well.
Alcohol has an impact on all of your body's organs. It might increase your heart rate and blood pressure, for instance. If you consume too much alcohol at once, you might become sick.
The effects of alcohol vary from person to person and depend on a number of variables, including:
your alcohol consumptionhow soon you consumed ithow much food you consumed before drinkingYou areYour sexual orientationYour ethnicity or raceYour state of healthRegardless matter whether your family has a history of drinking issuesA typical drink in the US comprises approximately 14 grams of pure alcohol, which can be found in:
A 12-ounce beer with a 5% alcohol contentWine with a 12% alcohol content, 5 ouncesA "shot" or 1.5 ounces of 40% alcohol-containing distilled spirits or liquorTo Learn more About alcohol., Refer:
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In a DNA molecule, the number of guanine nucleotides will most likely equal the number of
In a DNA molecule, the number of guanine nucleotides will most likely equal the number of cytosine.
According to Chargaff's rule, the ratio of adenine to Thymine is equals to ratio of Guanine to Cytosine.
What is chargaff's Rule?According to Chargaff's criteria, guanine and cytosine should be equal in amount in the DNA of every species and organism, and adenine and thymine should be equal in amount.
Since the amounts of cytosine and guanine are equivalent, we can just divide their total by 2. 22% adenine, 22% thymine, 28% cytosine, and 28% guanine make up the final makeup.
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after traveling through the right axillary vein, where does blood travel immediately to next? a. median cubital vein b. right brachial vein c. right brachiocephalic vein d. right subclavian vein
After traveling through the right axillary vein, the blood travel immediately to Right subclavian vein next.
Right common carotid and right subclavian arteries are both divisions of the brachiocephalic artery. The left subclavian and common carotid arteries have their own distinct origins from the aortic arch, but otherwise have the same pattern and distribution as their right-side counterparts.
What are subclavian veins?
Deep vein that returns oxygen-poor blood from your upper body to your heart is called the subclavian vein. On each side of your body, you have one. Blood from your right upper torso travels through your right subclavian vein. Blood from your left upper torso travels through your left subclavian vein.
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Prior to the industrial revolution, what was the previous highest level of co2 concentration in the atmosphere over the prior 400,000 years?.
The previous highest level of CO2 concentration in the atmosphere over the preceding 400,000 years was 300 PPM prior to the industrial revolution.
Fossil fuel burning for transportation and electrical generation, cement manufacturing, deforestation, agriculture, and numerous other practices all contribute to CO2 pollution. CO2 and other greenhouse gases trap heat from the planet's surface that would otherwise escape into space. This causes the planet's atmosphere to warm steadily, triggering a series of weather effects like extreme heat, drought, and wildfires, as well as more precipitation, flooding, and tropical storms.
Prior to the industrial revolution, CO2 levels were reliably around 300 PPM for just about 400,000 years earlier of human civilization. Since then, approximately 1.5 trillion tons of CO2 pollution have been produced by humans, much of which will continue to warm the atmosphere for thousands of years.
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History of the Universe Timeline Activity
Part 1-Put these Universe events in the order that you believe they occurred (from the first event to the last event)
The first flowers appeared on Earth
The first galaxies were formed
The first dinosaurs appeared on Earth
The first stars in the Universe were
formed
The formation of our Moon
The Big Bang
The formation of Earth's oceans
The first humans appeared on Earth
The first atoms were formed
The formation of our Sun
The first bacteria appeared on Earth
The first protons and neutrons were
formed
The formation of our Earth
The history of the universe timeline activity from the first event to the last is shown (refer to the events listed below in chronological order).
Universe Timeline Activity:
The history of the Universe Timeline Activity:
(From the first event to the last event)
1. The Big Bang.
2. The first protons and neutrons were formed.
3. The first atoms were formed.
4. The first stars in the Universe were formed.
5. The formation of our Sun.
6. The first galaxies were formed.
7. The formation of our Earth.
8. The formation of our Moon.
9. The formation of Earth's oceans.
10. The first flowers appeared on Earth.
11. The first galaxies were formed.
12. The first humans appeared on Earth.
Hence, the given list above is the correct timeline of events in the history of the universe timeline activity, that we believe have occurred, from the order of first to the last event.
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Damage to the ________ disrupts one’s ability to comprehend language, but it leaves one’s ability to produce words intact.
Damage to the amygdala disrupts one’s ability to comprehend language, but it leaves one’s ability to produce words intact.The amygdala is crucial in the development of anxiety reactions to upsetting and stressful circumstances.
What is the amygdala's primary function?
The amygdala is typically believed to be the central component of a brain system for processing scary and frightful stimuli, including threat recognition and activation of appropriate fear-related responses in response to dangerous or threatening stimuli The amygdala is in charge of handling intense emotions like fear, pleasure, or rage.Additionally, it might communicate with the cerebral cortex, which governs conscious thought.Physical reactions are governed by signals that are delivered from the thalamus to the skeletal muscles and autonomic nervous systemThe amygdala is crucial in the development of anxiety reactions to upsetting and stressful circumstances.The basolateral, central, and medial subdivisions of the amygdala have undergone pharmacological and lesion studies, which have revealed that their activation results in anxiogenic effects whereas their suppression results in anxiolytic benefits. But these days, you're more likely to come across psychological dangers like the strains and stresses of contemporary life, job, and relationships.These feelings can also set off the fight-or-flight response in the amygdala.Stress, fear, anger, and violence are frequently encountered emotional triggers. Amygdala stimulation results in strong emotions like fear or anger.The amygdala is stimulated by irritable lesions of temporal lobe epilepsy. Researchers have shown that amygdala injuries can lead to hypervigilance in reaction to others' perceived dread.In other words, a person who has amygdala injury develops a heightened sensitivity to even the smallest of facial expressions and interprets them as potential threats. Because anger is simpler to feel, it can keep you from acknowledging and addressing the inside suffering.Frustration is one of the main emotions that tends to start people off.It's common to feel frustrated when you're powerless or uncontrollable. Amygdala damage in adults typically results from an amygdalo-hippocampectomy or temporal lobectomy as part of surgical treatment for medically untreatable epilepsy.The amygdala will typically exhibit pathological alterations like sclerosis in these situations.To learn more about amygdala refer
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apply what you know about cooling rates to explain differences in crystal sizes
The rate of cooling is inversely proportional to the crystal size. The faster the cooling rate, the smaller is the crystal size and the slower the cooling rate, the larger is the crystal.
Rate of cooling can be defined as the elimination or removal of the high temperature from any object. This removal and be slow and gradual, therefore slow rate of cooling; or it cab quick and instant, therefore, fast rate of cooling.
Crystals are the solid components whose molecules are arranges in a regular fashion, giving it an ideal 3 dimensional pattern. They are symmetrical in nature. The examples of crystals are sugars, salt, etc.
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in order for molecule x to cross the plasma membrane of a cell, it must first bind to an integral membrane protein. the binding of molecule x to the integral membrane protein immediately causes a conformational change to the integral membrane protein, which exposes molecule x to the other side of the membrane where it is then released. what is this an example of? neutral transport active transport passive transport
This is an example of passive transport ( Facilitated Diffusion).
A type of membrane transport called passive transport moves materials across cell membranes without the use of energy. Active transport uses cellular energy to transfer materials across cell membranes, whereas passive transport uses the second law of thermodynamics.
A form of passive transport is facilitated transport. In contrast to simple diffusion, when substances flow across a membrane without the aid of membrane proteins, substances diffuse over the plasma membrane in aided transport, also known as facilitated diffusion.
Permeases are membrane transport proteins that bind to many substrates, including galactose, fructose, and glucose, for example. This binding causes the transmembrane permease domains to alter conformation, enabling passive transport of the substrate across the membrane.
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What effect does adding solute have on the solute potential component (Ys)
Answer:
Adding more solute will increase the solute potential and decrease water potential by making it more negative.
Explanation:
How can local sensing be beneficial in your everyday life?
Local sensing can be beneficial in a person's everyday life as it is used in measuring the amount of ozone in the atmosphere using ground-based devices or detecting sea-surface temperature from an orbiting satellite.
What is local sensing about?In local sensing, even though some environmental measurements, like a backyard rain gauge, can be taken right at the source, this is not always practical. Many quantities or characteristics can only be measured remotely or can only be measured remotely with the greatest accuracy.
The Benefit of Local sensing are: Air pollution is a well-known cause of health problems, such as trouble breathing and eye, nose, and throat irritation. local-sensing data can be used to support targeted warnings for the people who are most affected by poor air quality, such as asthmatics, but they can also help inform policy-makers in charge of regulating air pollutants.
In conclusion, local sensing data provide vital information needed to track and forecast meteorological and climatic change, detect and secure our borders, and monitor large-scale changes in land use.
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ANSWER ASAP PLS
The concentration of water is greater outside the cell than inside the cell.
What will happen according to the process of osmosis?
O Water will be repelled away from the cell, keeping it dry.
O Water will surround the cell, keeping it moist.
O Water will move into the cell, causing it to swell.
O Water will move out of the cell, causing it to shrivel.
The concentration of water is greater outside the cell than inside the cell therefore water will move out of the cell, causing it to shrivel during osmosis.
What is Osmosis?This is referred to as the process in which solvent moves from a region of low concentration to that of a high concentration through a semi permeable membrane.
In this scenario, the water outside has a higher concentration than that on the inside which means that the water will move out of the cell as it has a high concentration and shrink which is therefore why option D was chosen as the correct choice.
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In flowering plants, harvesting energy from light and reproduction are functions of ______ system while nutrient uptake and anchorage are functions of ______ system.
In flowering plants, harvesting energy from light and reproduction are functions of the shoot, and nutrient uptake and anchorage are functions of the root system.
What are the shoot and the root systems of plant?The shoot system is the system of plant that includes plant's organs such as the stem, leaves, flowers and fruits. It is an outgrowth that originates from the plumule of the seed’s embryo above the ground. It performs multiple functions such as storage, photosynthesis, transport, reproduction, hormone production, etc.
The root system is the system of plant that includes the root of a plant. It refers to the ramose structures that exist subterranean. A root system is positively hydrotropic and geotropic (water and gravity are the orienting factors of tropism), and negatively phototropic (light is not the orienting factor of tropism).
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in drosophila, a key step in initiating the dorsal-ventral body axis involves follicle cells building a signal into the eggshell. which follicle cells create a functional signaling molecule?
The follicle cells create a functional signaling molecule is ventral follicle cells.
What is a dorsal-ventral axis?The dorsal/ventral axis is defined as a line that is perpendicular to the anterior/posterior and left/right axes. An organism's dorsal end is located on its top or back. The ventral end of an organism is defined by its bottom or front side.
In Drosophila embryos, the formation of the dorsal-ventral pattern is dependent on a signaling mechanism in which a putative extracellular ligand released into the area around the embryo known as the perivitelline space binds to the Toll receptor.
The focus protein in the dorsoventral polarity development of the developing fly is called dorsal (DL). It is a transcription factor that regulates the expression of zygotic genes necessary for early development along the dorsoventral axis.
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How do the different ocean zones help each other?
Answer:
Explanation:
There are three main ocean zones based on distance from shore. They are the intertidal zone, neritic zone, and oceanic zone. Distance from shore influences how many nutrients are in the water. Why? Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients. Living things need nutrients. So distance from shore also influences how many organisms live in the water. In addition to the amount of salts, other conditions in ocean water vary from place to place. One is the amount of nutrients in the water. Another is the amount of sunlight that reaches the water. These conditions depend mainly on two factors: distance from shore and depth of water. Oceans are divided into zones (Figure below) based on these two factors. The ocean floor makes up another zone.
There exist three main ocean zones as said by distance from shore . they're the intertidal zone,neritic zone,and oceanic zone . Distance from shore influences how many nutrients are in the water . Why ? Most nutrients are washed into ocean water from land . because,water closer to shore tends to have more nutrients . Living things need nutrients . So distance from shore also influences how many organisms live in the water . apart from the number of salts,other conditions in ocean water vary from place to place . One is the number of nutrients in the water . a one more is the number of sunlight that arrives the water . These conditions depend largely on two factors : distance from shore and depth of water . Oceans are divided into zones (Figure below) as said by these two factors . The ocean floor makes up an additional zone .
8
Which evidence can the student collect to support her hypothesis?
A. She can visually count the number of rocks in the bottle.
B. She can observe condensation on the inside of the bottle.
C. She can add a new plant to the plastic bottle every day.
D. She can observe precipitation in her neighborhood every day.
The evidence can the student collect to support her hypothesis is she can visually count the number of rocks in the bottle. Thus, option A is correct.
What is experiment?
An experiment has been defined as process that has been designed to diagnose the hypothesis which has the portion of scientific method or procedure.
Scientific experiment has been done by testing the particular medicine on an animal and by observing the impact of medicine on the animal as well as the reaction of the animal.
There are mainly three types of the scientific experiments and these are experimental which consist of major level of scientific experimentation. The second type has Quasi- experimental and third type is non- experimental study or reasearch.
Therefore, The evidence can the student collect to support her hypothesis is she can visually count the number of rocks in the bottle. Thus, option A is correct.
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What is the answer? Please help.
Answer: A is the answer. Note that there are different polypeptide structures.
Will marine food sources keep up with human population growth?
Atoms transfer from non living portions of our environment to the living part of our environment through the
Atoms transfer from non living portions of our environment to the living part of our environment through Food chain .
Physical and chemical processes move atoms through ecosystems. Organisms acquire the atoms they need from the ecosystem in which they live.
Plants consume nitrogen through their roots. Animals obtain nitrogen compounds when they eat the plants. When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter reenter the soil where they are broken down by microorganisms, known as decomposers. The nitrogen cycle involves three major steps nitrogen fixation, nitrification, and denitrification. It is a cycle within the biosphere which involves the atmosphere, hydrosphere, and lithosphere.
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which of the following statements is false? in its interaction with hemoglobin, oxygen is: i. reversibly bound. ii. a prosthetic group. iii. bound at the 6th coordination position of the fe(ii) ion in the heme. iv. homoallosteric effector. v. a ligand.
The statement "In its interaction with hemoglobin, oxygen is a prosthetic group." (i) is false.
Hemoglobin heme groups can contain four oxygen molecules because each iron atom has the potential to bond to one oxygen molecule. Hemoglobin can transport a maximum of four oxygen molecules because to the capacity of the iron atom in each heme group to attach one oxygen molecule.
Some proteins require a special non-protein component known as a prosthetic group in order to function. It is strongly bound to proteins. An organic lipid, vitamin, sugar, or an inorganic metal ion are examples of natural forms that a prosthetic group can take.
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xld agar was originally developed to differentiate salmonella from shigella. shigella colonies are unable to ferment xylose, do not produce lysine decarboxylase, and do not produce hydrogen sulfide. how would shigella appear on an xld agar plate?
Because of the presence of Salmonella type colonies, the agar will turn red. Red colonies of Shigella species Coliform colonies range from yellow to orange. Pink, flat, rough colonies of Pseudomonas aeruginosa
On XLD, how does Shigella grow?By inhibiting other enteric pathogens, XLD agar selectively promotes the growth of Salmonella and Shigella and differentiates Gram-negative enteric bacteria based on xylose fermentation, lysine decarboxylation, and the production of hydrogen sulfide from sodium thiosulphate.Salmonellae decarboxylate lysine and deplete xylose, causing the pH to rise and mimicking the Shigella reaction. A hydrogen sulphide indicator, on the other hand, distinguishes the presence of Salmonella and Edwardsiella spp. from that of Shigellae.Shigella species, on the other hand, are Gram-negative, facultatively anaerobic, nonsporulating, nonmotile rods in the Enterobacteriaceae family. Within two days, they do not decarboxylate lysine or ferment lactose. They use glucose and other carbohydrates to generate acid but not gas.To learn more about shigella refer to :
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the heart provides hydrostatic pressure which enables small molecules dissolved in water to passively flow through the capillary walls into surrounding tissues, leaving larger proteins and cells in the bloodstream. this transport mechanism is known as .
Small molecules dissolved in water to passively flow through the capillary walls into surrounding tissues, leaving larger proteins and cells in the bloodstream. this transport mechanism is known as Capillary Exchange.
Capillary exchange is the term used to describe the transfer of materials from the blood into the capillary's tissues. The amount of fluid that enters or exits the capillary is determined by the net filtration pressure, which is calculated as the total of the four pressures mentioned above. Blood hydrostatic pressure and interstitial fluid oncotic pressure both favor blood stream flow into the interstitium. For his second studio album, "," English singer-songwriter Ed Sheeran recorded the song "Bloodstream" (2014). Members of Snow Patrol, Rudimental, and Ed Sheeran wrote "Bloodstream," which was produced by Rick Rubin at Shangri-La in Malibu, California. [1] Sheeran is described in the song as consuming MDMA while partying at a wedding in Ibiza.
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which statement is true about dna replication? group of answer choices replication happens during mitosis four new molecules of dna are produced each new strand is identical to its parent strand dna replication produces two identical strands of dna
The statement that is true about DNA replication is each new strand is identical to its parent strand.
DNA replication can be described as a process by which a fragment of DNA uncoils, the two strand makes copies of themselves and coil again.
As a result of DNA replication, the two strands of the DNA form a new strand that is a copy of themselves.
As a result of DNA replication, two identical copies of the DNA are formed which can be used when forming new cells.
The process of DNA replication occurs in all kinds of living organisms. The process of DNA replication is a complex one that requires whole machinery of enzymes and proteins referred to as DNA replication machinery.
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true or false: as long as a protein contains the same amount of each specific amino acid, the order/sequence of these amino acids does not impact the structure (and therefore function) of the protein.
As long as a protein contains the same amount of each specific amino acid, the order/sequence of these amino acids does not impact the protein's structure (and, therefore, function). The statement is false.
Does every protein have the same amino acid sequence?
Each protein has a distinct sequence of amino acids that is identical from one molecule to the next. There are thousands of different proteins, each with its unique amino acid sequence.
Since the chemical composition of each amino acid is influenced, which gives rise to intermolecular interactions that begin to create secondary structures such as -helices and -strands, the protein sequence of amino acids helps determine protein shape.
Therefore, the order/sequence of these amino acids does impact the structure (and therefore function) of the protein
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If a cell is damaged In such as a way that it cannot stop going through mitosis, what will be the most likely result?
Answer: Formation of Cancer
Explanation:
A cell that has been transformed to continue replicating has turned into cancer.
Answer:
If a cell is damaged in such a way that it cannot stop going through mitosis, it will most likely result in formation of tumor. If the tumor becomes malignant, it causes cancer.
what can distinguish primates that are adapted for eating large amounts of plants and leaves? group of answer choices their sagittal crests their incisor-like canines their tooth combs their lack of a diastema
Their sagittal crests distinguish primates that are adapted for eating large amounts of plants and leaves.
Many mammalian and reptilian skulls, among others, have a ridge of bone running longitudinally along the midline of the top of the skull (at the sagittal suture). There are incredibly powerful jaw muscles because of the existence of this bone ridge.
What kinds of animals have sagittal crests?
The top of the skull in carnivores and omnivores has a ridge known as the sagittal crest. The sagittal crest, which is where the powerful muscle that regulates the lower jaw's crushing action attaches, is highly noticeable in opossums and fishers but less so in coyotes, raccoons, and otters.
Therefore sagittal crests distinguish primates that are adapted for eating large amounts of plants and leaves
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PLEASE HELP ASAP!!! I WILL GIVE YOU BRAINLIEST IF YOU ANSWER CORRECTLY PLEASEE!!
what happens when RNA is edited?
Answer: One type, insertion/deletion RNA editing, involves the insertion or deletion of nucleotides and actually changes the length of the target RNA. The second type, RNA editing by base modification, changes an encoded nucleotide into a different nucleotide, without changing the overall length of the RNA.
Explanation:
Answer:
Deamination produces an adenosine-to-inosine substitution, one of the most common substitutions in RNA editing.
The protective mechanism that involves an external stimulus leading to an immediate muscular contraction is called?.
Answer:
a reflex arc.
Explanation:
Reflex arc is the term used to describe the body's immediate and involuntary response to arousal of a sensory nerve. For this to happen, the external stimulus is applied to the body and before reaching the brain, this stimulus receives a response in the body's marrow, causing an immediate involuntary muscle contraction without the will or awareness of the body.