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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lesson of the kaibab hypothesis?
Relationships between organisms and their physical surroundings as well as forces inside the biotic community have the potential to change the environment. The maximum number of creatures that a region can sustainably support is known as an ecosystem's carrying capacity. When a population is dense, the habitat may undergo such significant changes that the ecosystem is no longer suited for the survival of that species. For instance, excessive grazing on a piece of land may prevent it from supporting the grazing of the animals inhabited there.
Predators were eliminated and the forest service outlawed hunting.According to the graph, by 1924, the population had gotten out of hand; 100,000 people were living on a plateau with a carrying capacity of 30,000.Because the deer destroyed their habitat, there were 100,000 deer where there should have only been 30,000, which caused the population to fall.Due to natural predators and legal hunting, the deer population was much below its carrying capacity.The deer were unable to survive on the range after hunting was once more permitted. Food was scarce, and the populace was too frail to procreate.To learn more about predators here:-
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Egg is composed of the shell, egg white and egg yolk
yr own word please
Agree or disagree explain why
Which branch of musicology primarily studies changes in western art music over time?
Historical musicology changes in western art music over time.
What is Musicology?
The academic analysis and research-based study of music is known as musicology. Although some music research has a scientific bent, musicology departments traditionally belong to the humanities (psychological, sociological, acoustical, neurological, computational). The social sciences are also academically interested in musicology because some anthropologists and geographers are interested in it. A musicologist is a researcher who works on musical topics. Historical musicology, systematic musicology, and ethnomusicology are the three primary subfields of musicology. Historical musicologists often concentrate on the history of the western classical music tradition, though the study of music history need not be limited to that.Learn more about the Musicology with the help of the given link:
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Function of the kreb's cycle is to? a. remove hydrogen ions and transfer them to coenzymes b. transfer a hydrogen to an acetyl group c. degrade glucose d. produce carbon dioxid
Function of the Krebs cycle is to (a) remove hydrogen ions and transfer them to coenzymes.
Krebs cycle is also called the Citric acid cycle or the TCA cycle. It occurs in the matrix of the mitochondria. It is an important cycle of the aerobic respiration that functions to provide energy to the cells. The energy released is in the form of NADH, FADH₂ and GTP.
Coenzymes are the organic molecules that aid in the catalysis process to the enzymes. They bind to the active site of the enzymes. These are not proteinaceous in structure. The examples of coenzymes are NAD, NADP and FAD.
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Antibiotic resistance genes in bacteria can be transferred by ______ gene transfer.
Horizontal
Antibiotic resistance genes in bacteria can be transferred by horizontal gene transfer.
What is horizontal gene transfer?The dissemination of antibiotic resistance genes among bacteria (aside from those that are passed from parent to child) is a result of horizontal gene transfer (HGT), which also promotes the evolution of pathogens.How do genes for antibiotic resistance function?Once a bacteria has acquired a resistance gene and incorporated it into its DNA, the bacterium can dominate other bacteria and convey the resistance gene to all of its offspring. Bacteria reproduce quickly, which amplifies resistance.What three kinds of horizontal gene transfer do bacteria engage in?Bacteria can transfer genes horizontally through transformation, transduction, and conjugation. Conjugation is the most prevalent method of horizontal gene transfer among bacteria, particularly from one donor bacterial species to another.Give an example for horizontal gene transfer?In multicellular organisms, horizontal gene transfer can happen in a number of different ways. For instance, in plants, HGT can function naturally through host-parasite interactions. By serving as a vector, the parasite spreads mitochondrial DNA between two different plant species.To learn more about antibiotic resistance visit:
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Goblet cells are found within pseudostratified ciliated columnar epithelium.
a. true
b. false
This is true that goblet cells are found within pseudostratified ciliated columnar epithelium.
Goblet cells are present in the intestinal villi that are responsible for the production of mucin. They are abundant in the large intestine. The cells appear cup-like in appearance. The function of these cells is to prevent the foreign pathogen from infecting the intestine.
Pseudostratified ciliated columnar epithelium is the type of epithelial cell found in the areas where cilia are present. The examples of location include: the respiratory tract, the intestine, etc. Their primary roles are production of mucus and guard the organ from the pathogens.
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The tails of the core histone proteins can be chemically modified by the covalent addition of what type of chemical group?.
Answer:
The tails of the core of proteins can be chemically modified by the covalent addition of acetyl, methyl and phosphate.
Histone and DNA have complex interface. Every nucleosome has 142 hydrogen bonds have seen between histone core as well as the DNA. An amino acid backbone of both the histones as well as the phosphodiester backbone of the whole DNA is where about half of these linkages are formed. Condensation of chromatin could be facilitated by methylating the histone tails inside the chromatin. DNA can be accessed for transcription by acetylation of histone tails within chromatin. Certain types of chromatin change could be transmitted to the next cell generations. The DNA is coiled more securely all around histone cores when the histone tails are deacetylated, which makes it more difficult for transcriptional to attach to the DNA. This process, termed as gene silencing, results in lower levels of gene expression.
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Among the key points in using your bc to help maintain neutral buoyancy under water:_____.
Among the key points in using your bc to help maintain neutral buoyancy under water Add or remove air to or from your BC only in large bursts, until you develop a more intuitive feel for the process.
What is buoyancy ?The propensity of an object to float in a fluid is known as buoyancy. The buoyant force is an upward force that all liquids and gases in the presence of gravity apply to any object submerged in them. Differences in pressure acting on opposing sides of an item submerged in a static fluid cause buoyancy.
It is an upward force applied to the object that is submerged by the fluid. Examples of buoyant force include a ship floating in the middle of the ocean, an anchor that sinks when dropped into the water, and even a fish that is suspended in midair.Learn more about Buoyancy here:
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The na glucose symporter is an example of _____ transport, and it is found only on ______.
The na glucose symporter is an example of active transport, and it is found only on epithelial cells.
A transmembrane protein known as na glucose symporter is a sort of sodium-driven secondary active transport that occurs in the epithelial cells of the small intestine. The sodium-glucose symporter is found in the apical membrane of epithelial cells. The symporter binds to sodium and glucose, which are subsequently co-transported into the epithelial cells simultaneously. The sodium-driven glucose symporter utilizes the potential free energy stored in the sodium electrochemical gradient (low sodium concentration inside epithelial cells) generated by the Sodium-Keto pump. As a result, sodium influx from the lumen to the epithelial cell is connected to glucose transport (symport).
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I WILL GIVE BRAINLIEST FOR CORRECT ANSWER
A protein is made of 100 amino acids. how many peptide bonds are in this protein?
Answer:
99
Explanation:
Which neurotransmitter stimulates skeletal muscle cells to contract but slows contractions of the heart?.
The neurotransmitter that stimulates skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
Neurotransmitters are chemical messengers that are produced inside the neuron and play a role in the nervous system to transmit messages from nerve cells to the targetted cells.
Acetylcholine is synthesized from acetyl-CoA and choline by the cholinergic neurons. Acetylcholine stimulates muscle cell contraction by binding to its receptors on muscle fibers which results in the opening of the sodium channels so that sodium ions can enter the cell which eventually results in contraction.
The muscarinic M2 receptors present in the heart slow down the heart rate by decreasing the rate of depolarization. Acetylcholine binds to these receptors and activates them which results in decreased contractions of the heart.
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The neutral theory of molecular evolution posits that most mutations are ________ and most substitutions are ________.
Answer:
The neutral theory of molecular evolution posits that most mutations are natural and most substitutions are beneficial.
Explanation:
According to the neutral theory, the great majority of genetic mutations have little to no effect on an individual's fitness. According to Motoo Kimura's neutral hypothesis, the bulk of molecular (DNA) mutations in a population occur as a result of genetic drift rather than natural selection, which suggests that mutations are generally neutral and therefore do not benefit the organisms.
This indicates that mutant alleles are really not kept because they have a selection benefit over other members of the population, but rather because of the unpredictability of existence. Neutral changes in genetic studies are those that occur when natural selection does not influence the distribution of the mutation within a species. Most other alleles of the gene will be deleted or replaced by neutral mutations that really are highly heritable and that are not connected to any genes that are currently being selected.
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Some of the most dramatic evidence for evolution has come from human agriculture. one of the most highly artificially selected crop plants is:_______
Some of the most dramatic evidence for evolution has come from human agriculture. One of the most highly artificially selected crop plants is corn.
Numerous branches of biology provide proof of evolution: Anatomy. Because a physical characteristic was present in a common ancestor, species may have similar physical characteristics (homologous structures). the study of molecules. The genetic code and DNA show how life has a common ancestor.The farmers kept the kernels from plants that had desirable traits and planted them for the harvest the following season. Artificial selection or selective breeding are terms used to describe this technique. Over time, maize cobs grew bigger and had more rows of kernels, finally taking on the shape of modern maize.Corn is one of the crops that has undergone the most artificial selection.To learn more about evolution.
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How does the parfocal characteristic of a microscope affect the way a slide is viewed?
Parfocal refers to the idea that an image should maintain focus when shifted between distinct objectives. You should only make precise focus adjustments after the image is in focus.
Why is parfocal imaging crucial in microscopy?Parfocal goals are those that can be modified with little to no focussing. It is convenient when the lenses stay in focus when you change the magnification on your microscope. When a microscope has named objectives, this is feasible.
The picture will stay in focus while switching from a lower-power objective to a higher-power objective because high-quality microscopes are parfocal. The oil reflects more light because it has the same refractive index as glass.
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Hich result will the nurse expect diagnostic studies of a client with cushing syndrome to indicate?
Glucose Level result will the nurse expect diagnostic studies of a client with Cushing syndrome to indicate.
Glucose Level- The quantity of glucose in the blood is known as the blood glucose level. In addition to being created and stored by the body, glucose is a sugar that is obtained from the meals we eat. It is the primary energy source for our body's cells, and the bloodstream carries it to every cell.
Cushing Syndrome- At the base of the brain, a noncancerous (benign) tumor of the pituitary gland overproduces ACTH, which in turn encourages the adrenal glands to produce more cortisol. Cushing disease is the term used when this type of the illness manifests.
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Glycosylated molecules are formed with glycosylated molecules are formed with? carbohydrates. nucleic acids. cholesterol. dna. lysosomes.
cholesterol
Glycosylated molecules are formed with cholesterol (lipids).
Why is glycosylation necessary and what does it entail?A crucial and tightly controlled method of processing secondary proteins inside of cells is glycosylation. It is essential for determining the stability, function, and structure of proteins. Glycosylation is known to alter the way proteins are arranged in three dimensions structurally.Which kinds of proteins have glycosylation?Nearly all studied living things have glycoproteins, which are proteins that have been glycosylated. These include eukaryotes, eubacteria, and archae. From simple single-celled organisms to intricate multicellular ones, eukaryotes have the most variety of creatures that express glycoproteins.What does "glycosylated" mean?Through an enzyme process known as glycosylation, carbohydrates are joined to the protein's structural core. A glycoprotein is a protein that has been glycosylated. N-glycosylation and O-glycosylation are the two most prevalent protein glycosylation processes.To learn more about glycosylated molecule visit:
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The accumulation of differences in species that causes new species to arise from existing ones is a process called:__________
The accumulation of differences in species that causes new species to arise from existing ones is a process called speciation.
Species is the lowermost level of hierarchy in the classification system. The most essential criteria for organisms to be placed in same species is that they should be able to exchange genes between them. This mean they should be able to breed among themselves.
Speciation is the formation of new species. Speciation is a type of evolution. There are several types of speciation. These are: allopatric (geographical isolation), sympatric ( same region of residence), parapatric (partial barrier) and peripatric (at the periphery).
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The term multiple alleles refers to the presence of ______ or more alleles in the population.
The term multiple alleles refer to the presence of three or more alleles in the population.
In the field of science, an allele can be described as any of the variant forms of a gene that is found at a particular gene locus. The specific place that an allele has on a chromosome is referred to as the loci of the allele.
Multiple alleles can be described as more than two alleles that are found in a particular population at a given time.
When three or more forms of an allele occur in a population then these multiple alleles cause diversity in a population.
An example of the presence of multiple alleles in humans is the ABO blood group system. There are three alleles found in this blood group system.
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_________ involves reconciling underlying differences so that issues are resolved to the mutual benefit of all parties.
Collaboration involves reconciling underlying differences so that issues are resolved to the mutual benefit of all parties.
The collaboration conflict situation is a type of solution in which cooperation is done between the parties in order to solve conflicts. The opponent parties realize that in order to make the situation work, collaboration needs to be done that can mutually benefit the opponent parties.
Hence, through the collaboration system, the opponent parties reconcile their issues and differences and come up with terms that are of mutual benefit.
The system of collaboration is a more peaceful one and all the disputed parties feel heard. They can settle on a mutual agreement and come to terms that can benefit them.
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The brain is ________ to the skull. superior lateral anterior proximal deep
The brain is deep into the skull. superior lateral anterior proximal deep
What is a superior lateral?
The posterior branch of the axillary nerve continues after it passes through the deep fascia as the superior lateral cutaneous nerve of the arm (or superior lateral brachial cutaneous nerve). Axons from the ventral rami of C5–C6 are present.
It wraps around the deltoideus' posterior edge and provides the skin for the lower two-thirds of the muscle's posterior region as well as the skin for the triceps brachii's long head.
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Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called:________
Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called signal transduction.
What is a Cell?A cell may be defined as the basic structural and functional unit of living organisms. All living organisms are made up of cells that perform special metabolic functions which are necessary for the survival of living entities.
Signal transduction is the process through which the binding of the extracellular messenger is accomplished to the receptor present on the cell surface. It stimulated physiological as well as chemical changes in living organisms.
Therefore, signal transduction is a process that involves relaying a message from a membrane receptor to a molecule that performs a specific function within a cell.
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HELP ME ASP I WILL GIVE YOU BRAINLEST AND MORE POINTS
Answer:
proton
Explanation:
positive charge
You're looking at a sample from your patient under the microscope. Does your patient have a virus?
a
No, my patient does not have a virus, this is a fungal cell.
b
Yes, my patient has a virus, as this a typical viral structure.
c
Yes, my patient has a virus, since this is not a cell.
d
No, my patient does not have a virus, this is a bacterial cell.
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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Which feature is shared by archaea and bacteria but not found in any member of eukarya?
The feature is shared by archaea and bacteria is the Lack of a nucleus, but that not found in any member of eukarya because both archaea and bacteria are prokaryotes which are the type of organisms whose all cells lack a nucleus and other organelles.
Although, prokaryotes are single-cell organisms. The Archaea and bacteria both are single-cell organisms with no nucleus or organelles, and they reproduce asexually by fission or budding, and no species are known to produce spores. Both bacteria and archaea do not have interior membranes, but they have cell walls.
However, bacteria have three RNA molecules, whereas archaea have single RNA molecules. Both are different, but they share common features, i.e., Lack of nucleus and other organelles, because they come under the category of prokaryotes.
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Smoke arising from the ash of the cigarette or cigar is called blank______, which is higher in many carcinogens than is the firsthand smoke delivered to a smoker's lungs.
Sidestream smoke, which is the smoke that emanates from the ash of the cigarette or cigar, contains more carcinogens than directly smoke does when it enters a smoker's lungs.
What effects do carcinogens have on the body?Chemical compounds, viruses, or even cancer-treating drugs or radiation treatments can all be carcinogens. Different ways exist for carcinogenic compounds to cause cancer. Some carcinogens can cause cancer even when they do not directly cause it. Cancer can also be brought on by prolonged, high-level exposure to carcinogens.Can the lungs of smokers recover?Smoking damages your airways and the tiny air sacs (alveoli) in your lungs, which can lead to lung disease. Along with COPD, smoking causes two lung diseases: emphysema and chronic bronchitis.Smoking cigarettes is the primary cause of lung cancer in most cases.When you stop smoking, your lungs start to repair straight immediately, so stopping sooner rather than later can benefit your general health.learn more about carcinogens here
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People with difficulty seeing objects at a distance are said to have myopia. true false
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True. People with difficulty seeing objects at a distance are said to have myopia.
What is myopia?Nearsightedness (myopia) is a common vision issue in which you can see items close to you well but objects farther away are indistinct. It happens when the shape of your eye causes light rays to bend (refract) wrongly, focusing images in front of your retina rather than on your retina.
Symptoms of nearsightedness may include:
Blurry vision when looking at faraway objectsThe necessity to squint or partially close one's eyelids in order to see clearlyEye strain causes headachesDifficulty seeing while driving, especially at night (night myopia)A refractive error is what leads to nearsightedness. When your eye doesn't focus light properly, a refractive error happens. When you are nearsighted, your eye instead focuses light in front of your retina than onto it.
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What type of epithelium lines the urinary bladder and urinary passageways? select one: a. cuboidal b. columnar c. pseudostratified d. transitional e. squamous
D. Transitional epithelium: The layers of cells that make up a transitional epithelium, often referred to as urothelium, flatten out when stretched. It allows your bladder to expand and lines the majority of your urinary tract.
The interior of the urinary bladder is lined with what kind of epithelium?
The mucous membrane that lines the interior of the ureters and the transitional epithelium that lines the bladder's interior are one and the same. The mucosa folds numerous times when the bladder is empty, and these folds are known as rugae. The transitional epithelium and rugae allow the bladder to expand when it fills with pee.
What kind of epithelium do you have in the interior of the urine bladder? Transitional epithelium, which expands when the organs become inflated with urine, forms the lining of hollow urinary organs.
Epithelium:
One of the four primary forms of bodily tissue, epithelial tissue covers both internal and external surfaces in your body and is present in all of your organs. Depending on where it is in your body, it has a variety of different structures and functions.
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Unlike eukaryotes, bacterial dna is not enclosed by a nuclear membrane. instead, bacterial dna is condensed into a region called the __________.
Unlike eukaryotes, bacterial DNA is not enclosed by a nuclear membrane. instead, bacterial DNA is condensed into a region called the nucleoid.
Eukaryotes are the organisms that possess the eukaryotic cell. The eukaryotic cell is advanced type of cell with well-defined nucleus and also the cell organelles are present. Eukaryotes can have both 70S and 80S type of ribosomes.
Nucleoid is the condensed region in the prokaryotic cell that comprises of the genetic material, the DNA. It is an irregular shaped structure lying in the cytoplasm of the cell. There is usually a single pair of chromosome present in the nucleoid.
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