For adequate function, cells must have an adequate supply of oxygen, glucose, and water.
Each cell in the body requires adenosine triphosphate as an energy source. Cells require oxygen in order to carry out the process of cellular respiration. Through this process, glucose and oxygen are broken down to release energy in the form of ATP.
Cells also require water for adequate functioning. Water plays an important role in many of the major functions of the body. It is due to water that a cell has the potential to transport materials into and out of a cell.
Almost all of the chemical reactions that occur in the body require water. Water is also required for the excretion of waste from the body in the form of urine. Water also plays a major role in temperature regulation of the body.
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List and describe different ways a population can become reproductively isolated from other populations of the same species. (3)
When populations grow to be re-productively isolated, they are able to evolve into separate species. Reproductive isolation can expand in a number of ways, which include behavioral isolation, geographic isolation, and temporal isolation. Specification is the formation of a brand new species.
Factors including geography, conduct, and time can separate populations and cause reproductive isolation. In geographic isolation, the populace is separated via way of means of a bodily barrier, including mountains, rivers, and oceans. In conduct isolation, behavioral styles set variations among species in phrases in their interbreeding strategies including courtship rituals and reproductive strategies. On the opposite hand, time acts as an setting apart mechanism if species reproduce offspring at exceptional times.
The critical concept right here is that after populations are geographically separated, they'll diverge from one another, each with inside the manner they appearance and genetically. These modifications may arise via way of means of herbal choice or via way of means of random chance (i.e., genetic drift), and in each instances bring about reproductive isolation.
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The correct order of filtrate traveling from the distal convoluted tubule to the ureter is?
The correct order of filtrate traveling from the distal convoluted tubule to the ureter is:
Glomerulus → Proximal convoluted tubule → Descending limb of nephron loop → Ascending limb of nephron loop → Distal convoluted tubule → Collecting duct.
What travels inside the renal tubule?Alongside the tubule, a blood vessel may be seen. The blood vessel reabsorbs nearly all of the water and essential nutrients and minerals as the filtered fluid travels along the tubule. The tubule assists in clearing the blood of extra acid. Urine is created in the tubule from any leftover liquid and waste.How does renal filtrate move through it?The proximal tubule, the loop of Henle, the renal medulla, and finally the renal cortex are all where the filtrate travels after leaving Bowman's capsule. Filtrate is moved from the loop of Henle into the distal tubule, the collecting duct, and then into the renal medulla for collection.To learn more about Distal convoluted tubule visit:
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Phosphofructokinase is a glycolytic enzyme that is inhibited by amp .
a. true
b. false
Phosphofructokinase is a glycolytic enzyme that is inhibited by amp - False.
Phosphofructokinase is an enzyme that is involved in the process of glycolysis. It is used in phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate. It utilizes ATP for this step.
It is one of the key regulator of the overall reaction. Its activity is regulated by ATP. Whenever more substrate is formed and more amount of ATP is present it combines with the phosphofructokinase to inhibit its enzyme activity.
AMP has a reversing effect to this. When AMP binds with the phosphofructoskinase it boost the reaction in the forward direction.
Thus the activity of the enzymes depends on the ATP/AMP ratio in the cell.
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If the cuvette with the algae are in the dark what process(s) are happening?
If the cuvette with the algae are in the dark , the process of photosynthesis and cellular respiration occurs.
What is an algae?An algae can be described as a members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista.
Algae has many economic importance that ranges from ecological roles as oxygen producers and as the food base for almost all aquatic life.
Algae are also economically important as a source of crude oil and as sources of food and a number of pharmaceutical and industrial products for humans.
Photosynthesis and cellular respiration occurs if the cuvette with the algae are kept in the dark.
Algae can photosynthesize but they lack the specialized multicellular reproductive structures of plants, that contain fertile gamete-producing cells surrounded by sterile cells.
The size range of the algae can span seven orders of magnitude. Many of these algae consist of only one cell, while the largest of them have millions of cells.
In conclusion, algae are classified into groups based on their pigmentation.
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The majority of the plasma membrane can be described as a bilayer of with associated proteins.
The majority of the plasma membrane can be described as a bilayer of Phospholipids with associated proteins.
What is the plasma membrane?It is a double layer of phospholipids and proteins, which perform functions of connection, transport and catalysis, which covers and delimits the cells, serving as a border between the inside and the outside of it.
In this sense, one of the peculiarities of phospholipids is that they are amphipathic, their molecules have a part that is soluble in water (that is, hydrophilic) and another that is not (hydrophobic), these lipids are primarily cholesterol, phosphoglycerides and sphingolipids.
Therefore, we can conclude that according to the research, the correct option is phospholipids. The majority of the plasma membrane can be described as a bilayer of phospholipids with associated proteins.
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Which type of protein attaches membranes of adjacent cells to make intercellular junctions?
Transmembrane adhesion protein attaches membranes of adjacent cells to make intercellular junctions.
What is the function of adhesion proteins in the cell membrane?Cell adhesion molecules are subset of cell surface proteins that are involved in the binding of cells with other cells or with the extracellular matrix in a process called cell adhesion. CAM help cells stick to each other and to their surroundings. Adherence junction and Desmosomes hold cells together and are formed by transmembrane adhesion protein .
Therefore, the cell membrane serves two purposes: first, as a barrier keeping the components of the cell in and undesired substances out, and second, as a gate permitting the passage of vital nutrients into the cell and the movement of waste products out of the cell. Identification, communication, control of solute exchange across the membrane, and isolation of the cytoplasm from the surrounding environment are the four primary roles of the plasma membrane.
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Which term refers to the protective film found on skin that is involved in bacterial protection?
Answer:
The protective film found on skin that is involved in bacterial protection is Acid mantle.
Explanation:
The acid mantle is an extremely thin, mildly acidic layer that covers the top of human skin that serves as a defence against bacteria, pathogens, and other pollutants that would otherwise permeate the skin. Here the sebaceous gland secretes sebum, which when combined with sweat creates the acid mantle layer. The healthy epidermis does have a neutral pH of roughly 7.0, in contrast to the acid layer upon that skin's surface. The standard idea exists that the pH of the skin's surface ranges from 5.0 to 6.0. The acid layer" s pH on the skin can vary widely depending on the state of the skin, with some estimates placing the range around 4.5 to 6.5 as somewhat acidic.
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Nitric oxide (no) participates in a signal transduction pathway that promotes relaxation of smooth muscle cells lining blood vessels and so increases blood flow. nitric oxide accomplishes this by:_______
Nitric oxide accomplishes this by elevating cGMP levels.
NO is the unmistakable message. It dissolves in aqueous solution but is a gas. It is free radicals with free electrons that react with protein thiol groups to form new complexes. Unlike other second his messengers, NO does not require energy to enter or exit the cell. They can go wherever they want, but being reactive free radicals, they cannot travel very far. NO functions as a second messenger within NO-producing cells. It functions as a paracrine molecule that can travel 10-20 times the cell diameter to affect the biology of surrounding cells. It can form complexes with proteins such as hemoglobin, glutathione, and other proteins and be separated from those complexes.Therefore, increasing cGMP levels is necessary.
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A strain of neisseria gonorrhoeae has undergone a mutation and is no longer able to make pili. predict the most likely outcome.
A strain of Neisseria gonorrhoeae has undergone a mutation and is no longer able to make pili because The bacteria will become less virulent and will not be able to readily establish infection.
What is mutation ?A deviation from the typical DNA sequence at a certain gene locus. Although the phrase is frequently associated with negativity, mutations (including polymorphisms) can affect cell activity in ways that are negative, positive, or neutral.
Because they increase genetic variation and the potential for individual differences, mutations are crucial for evolution to take place. For the most part, mutations have no discernible impact on the organisms in which they arise. Natural selection may increase the frequency of advantageous mutations.Base substitutions, deletions, and insertions are the three different forms of DNA mutations.Learn more about Mutation here:
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which of the following is NOT a characteristic that a living thing must follow
-A. Order
-B. Reproduction
-C. Growth & Development
-D. Energy processing
-E. Be related to at least 2 other species
-F. Responds to the environment
-G. Regulation
-H. Evolutionary adaptation
Growth & Development is the not a characteristic that a living thing must follow
Different characteristics of growth and development like intelligence, aptitudes, the body structure, the height, weight, color of the hair and eyes are highly influenced by the heredity. Sex: Sex is a very important factor which actually influences the human growth and the development It can help them learn new skills, to grow their career, and to improve their mental health. Human growth and the development are the important because it also helps them to learn new skills, improve their quality of life, and also improve their mental health. Human growth and the development are important in the continuity of the species.
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How many letters of an rna molecule in a sequence does it take to provide the code for a single animo acid?
Three letters of an RNA molecule in a sequence are involved in providing the code for a single amino acid, and this three-letter code is called the codon, and tRNA have the anticodon sequence which is complementary to the mRNA codon sequence.
Each group of three letters consecutive nucleotides in RNA is called a codon, and each codon specify either one amino acid or it stop to the translation process.
Therefore, The codons in an RNA molecule do not directly recognize the amino acids, but they specify the group of three nucleotides. They bind directly to the amino acid rather than the translation of mRNA into protein.
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In people with schizophrenia, the amount of gray matter in the temporal and frontal cortexes is?
In people with schizophrenia, the amount of gray matter in the temporal and frontal cortexes is progressively reduced.
schizophrenia is a brain disorder when the ability of a person is reduced to think, feel, and behave clearly even in normal situations. it can be caused due to a variety of reasons including genetic, environmental factors.
It can cause social isolation, disorganized thoughts, aggression, and difficulty in concentration.
schizophrenia said to be associated with a reduced in the gray matter of the brain including the temporal and frontal cortex.
Grey matter is present is the outermost layer of the brain.
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PLSSSS HELP ME ASP!!!!
THREE-DIMENSIONAL THINKING What would be the effect on the structure and function of a cell if it were unable to produce mRNA?
Answer:During transcription, the sequence of DNA is transcribed into mRNA. Later, during translation, mRNA sequence is translated into a protein molecule
Explanation:
i did it
Answer:During transcription, the sequence of DNA is transcribed into mRNA. Later, during translation, mRNA sequence is translated into a protein molecule
Generally, animals cannot digest (hydrolyze) the glycosidic linkages between the glucose molecules in cellulose. how then do cows get enough nutrients from eating grass?
Microorganisms in their digestive tracts hydrolyze the cellulose to individual glucose units.
Cellulose- The stable formation of plant cell walls is greatly aided by cellulose, a hard, fibrous, and water-insoluble polysaccharide. The fibrils (bundles of microfibrils) and microfibrils (bundles of polysaccharide) made up of cellulose chains make up the plant cell wall.
Glucose- The primary form of sugar in the blood, glucose serves as the body's cells' principal source of energy. Glucose may be produced by the body from other chemicals or it can be obtained from the meals we eat. The circulation carries glucose to the cells. Insulin is one of many hormones that regulate blood glucose levels.
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Alcohol causes dilation of arterioles and a sensation of warmth. would you recommend that someone who is stranded in the snow drink alcohol to keep warm? why or why not?
No, alcohol only gives you a sensation of warmth and it does not make you warm.
Alcohol causes the blood vessels to dilate and carry more blood in them. Heat carried by the blood would be lost more in this dilation of blood vessels or arterioles. It will thus increase the risk of hypothermia.
The normal heat process in the body is like blood is moved away from the skin into the organs of the body and makes you feel colder. Alcohol reverses this process. It increases the blood flow into the skin and thus makes it warmer.
You may even feel more sweat by drinking alcohol which decreases your body temperature even further. Therefore, alcohol only creates a sense of warmth but even decreases the body temperature.
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Which population would be most likely to undergo relatively rapid allopatric speciation?
Allopatric speciation would be fastest in the herd of wild horses.
What is allopatric speciation?
When groups of a same species are geographically separated from one another, allopatric speciation takes place. Populations gradually change into new species through a process called speciation.
A herd of wild horses was shipped from Wyoming to a little desert island off the coast of California that had never before had any. After then, no more horses arrive at the island. The new population is tiny (reproductively) and geographically separated from neighboring populations, both of which tend to favor allopatric speciation.
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When viewed under a transmission electron microscope, the golgi apparatus looks like ______.
Answer:
a stack containing multiple flattened, disk-shaped membranes called cisterns
Explanation:
Prolonged and excessive drinking can shrink the brain most intensely in ________ who have ________ of a stomach enzyme that digests alcohol.
Prolonged and excessive drinking can shrink the brain most intensely in women who have less of a stomach enzyme that digests alcohol.
What are enzyme that digests alcohol?
Alcohol dehydrogenase (ADH) is an enzyme that aids in the metabolism (processing) of ethanol. The ethanol is transformed by your liver into acetaldehyde, which can harm cells. A different enzyme termed aldehyde dehydrogenase 2 (ALDH2) aids in the conversion of hazardous acetaldehyde to harmless acetic acid (vinegar).
Women have less alcohol dehydrogenase (ADH), a stomach and liver enzyme that breaks down alcohol, than males do. A woman's body doesn't break down alcohol as effectively as a man's does, so more alcohol enters the bloodstream and her BAC rises.
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The British naturalist Charles Darwin developed a theory after observing species in the Galapagos Islands. What is the name of this theory?
A
Theory of Gravity
B
Theory of Relativity
C
Pythagorean Theorem
D
Theory of Evolution
Answer:
D.
Explanation:
A client has been diagnosed with syphilis and will be treated with penicillin. the client's medication will achieve a therapeutic effect through?
interference with cell wall synthesis. A injection of long-performing Benzathine penicillin G can remedy the early degrees of syphilis. This consists of primary, secondary, or early latent syphilis. CDC recommends 3 doses of long-performing Benzathine penicillin G at weekly periods for past due latent syphilis or latent syphilis of unknown duration.
Doxycycline and tetracycline for 28 days were used for decades and are the simplest ideal options to penicillin for the remedy of latent syphilis. Doxycycline is the desired opportunity to penicillin because of its tolerability.
The first signal of syphilis is a small sore, known as a chancre (SHANG-kur). The sore seems on the spot wherein the micro organism entered your body. While maximum humans inflamed with syphilis broaden simplest one chancre, a few humans broaden numerous of them.
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Vertebrate species of animals are estimated to be outnumbered by invertebrate species by a ratio of approximately ___:____ (
According to estimates, there are roughly 1: 30 invertebrate species for every one vertebrate species.
What is vertebrate?
An animal having a backbone is called a vertebrate.
What is invertebrate?
An animal which doesn't have a backbone is called a invertebrate.
According to estimates, there are roughly 30 invertebrate species for every one vertebrate species. Ratio is 1:30.
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Diatoms, such as members of the genus navicula, belong to which major lineage of eukaryotes?.
Diatoms, such as members of the genus navicula, belong to the stramenopile lineage of eukaryotes.
Stramenopiles are a type of organism that have stiff tripartite outer hairs and flagella. Stramenopile is sometimes referred to as heterokonts. It has cells that are both nonphotosynthetic and photosynthetic. The stramenopile kingdom includes diatoms, brown algae, chrysophytes, and certain protozoa. Stramenopiles are eukaryotic since they are neither animals, fungi, nor plants.
Navicula is a species of diatom algae with boat-shaped cells. As a result, we may establish that diatoms, like those in the genus Navicula, are part of the stramenopile main lineage of eukaryotes.
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Which of these practices best qualifies as a pseudoscience?
using the smells of different oils to help a person feel energized
using the smells of different oils to help a person feel energized
comparing different brushing techniques to prevent tooth decay
comparing different brushing techniques to prevent tooth decay
developing ways to use star patterns to travel at night
developing ways to use star patterns to travel at night
using varying degrees of sunlight to limit how large different plants grow
The practice that best qualifies as a pseudoscience is using the smells of different oils to help a person feel energized (option A).
What is pseudoscience?Pseudoscience is any body of knowledge that purports to be scientific or to be supported by science but which fails to comply with the scientific method.
Common examples of pseudoscience are as follows:
The belief that two people send cues to one another based on their body positioning.The belief that a person's personality can be seen through their handwritingAccording to this question, the act of using the smells of different oils to help a person feel energized is an example of pseudoscience because it does not comform to the scientific method.
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which of the following is an advantage of electron microscopy? choose one: a. specimens can be observed at high resolution. b. the microscope is inexpensive and easy to use. c. living specimens can be observed. d. motile specimens can be observed.
The microscope is inexpensive and easy to use is an advantage of electron microscopy. High resolution images of both biological and non-biological specimens can be obtained using the electron microscopy (EM) technique. In order to fully understand the structure of tissues, cells, organelles, and macromolecular complexes, it is employed in biomedical research.
There are various kinds of electron microscopes, such as the scanning electron microscope (SEM), the transmission electron microscope (TEM), and the reflection electron microscope (REM.). Magnification and better resolution are possible thanks to the utilization of electrons as opposed to light waves, allowing for the analysis of structures that would otherwise be invisible.
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How can biomolecules be identified by the presence and/or number of the six basic elements found in all living things?
Biomolecules can be identified by the presence and/or number of the six basic elements found in all living things as these elements form certain functional groups specific to each biomolecules and those can be confirmed by performing certain identification tests.
Biomolecules are the molecules that are present inside the living organisms. These are: carbohydrates, lipids, proteins, and nucleic acids. These are essential for building, repairing and maintenance of the body. These are important to perform all the necessary processes of the body.
Identification tests are those that are performed to confirm the presence of certain compounds. For example, Benedict's test is used to confirm the presence of carbohydrates, similarly biuret's test is used to test the presence of protein.
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The monosaccharides and the disaccharides are designated as _____ because they provide calories.
The monosaccharides as well as the disaccharides are designated as nutritive sweeteners since they provide calories.
Nutritive sweeteners, which are also sometimes termed as caloric sweeteners supply energy in the form of carbohydrates. A few nutritive sweeteners are naturally present in foods such as fructose, which is found in fresh fruits.
Monosaccharides are the simplest sugars or carbohydrates having the general formula (CH₂O)ₙ and are generally colorless, water soluble, crystalline solids. Glucose, fructose as well as galactose are all examples of monosaccharides.
Disaccharides are made up of two monosaccharides which are linked together by means of a glycosidic bond. They are also soluble in water. The examples of disaccharides are sucrose, lactose as well as maltose.
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A friend tells you that the theory of evolution is just an educated guess by biologists about how things work. evaluate this statement.
A friend tells you that the theory of evolution is just an educated guess by biologists about how things work- In science the theory are not just an educated guess but are backed experimental data and evidence.
Theory of evolution is based on the idea on slow and gradual changes on the species that occur over time.
It is based on three main components- First the variation occurs randomly among the species, the trait of an individual can be inherited by its progeny, and in the struggle for existence there is survival of the fittest i.e. the one with the favorable traits will survive.
The different types of remains supporting the theory are fossil remain of ancient organisms, fossil layer, similarities among the organisms including the genetic material and embryos.
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The major commercial species of nicotiana is _________blank, which is a large-leaf species grown in more than a hundred counties.
The major commercial species of nicotiana is Nicotiana tobacum, which is a large-leaf species grown in more than a hundred counties.
What is Nicotania tobacum?
An annual herbaceous plant of the Nicotiana genus, Nicotiana tabacum, sometimes known as cultivated tobacco, is grown. The plant, which has a tropical origin and is widely cultivated around the world, is quite common. It can reach heights of 1 to 2 meters (3 to 6 feet). The leaves of this plant are commercially produced and used to make tobacco, making it the most widely cultivated of all the species in the genus Nicotiana. It has been established that cellulose and other naturally occurring tobacco polysaccharides are the main sources of acetaldehyde in tobacco smoke. Rutin and chlorogenic acid make up the majority of the polyphenols found in tobacco leaves. There are glutamic acids, asparagine, glutamine, and -aminobutyric acid among the amino acids present.Learn more about the Tobacco with the help of the given link:
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Brain cells that respond to actions performed by someone else by mimicking the action are called?
Brain cells that respond to actions performed by someone else by mimicking the action are called Mirror Neurons.
Mirror Neurons- A type of neuron called a mirror neuron changes its activity when a person performs a certain motor movement and when they see someone else perform the same or a similar task.
Motor Movement- Motor skills include things like extending, bending, catching, and throwing.
Brain cells- The brain's functional tissue is made up of brain cells. The stroma, which contains blood vessels, is the structural or connective portion of the remaining brain tissue. Neurons, also known as nerve cells, and glial cells, sometimes known as neuroglia, are the two primary cell types in the brain.
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The property of having antimicrobial effects in exceedingly small amounts is called a(n) _____ action. multiple choice question. degerming antiseptic oligodynamic radiative
The property of having antimicrobial effects in exceedingly small amounts is called a(n) oligodynamic action. multiple choice question. degerming antiseptic oligodynamic radiative.
What does oligodynamic action mean?The capacity of trace levels of heavy metals to kill bacterial cells is known as oligodynamic action. In small amounts of aqueous solutions, certain metals and metal complexes bestow the capacity to modify and lastly, kill microorganism cells in a distinctive manner.Which are the metals that exhibit oligodynamic effect?Mercury, silver, copper, brass, bronze, tin, iron, lead, and bismuth are among the metals that show the oligodynamic effect. Mercury and silver have the greatest impact of all metals.The oligodynamic effect: how does it operate?The bacteria become inactive as a result of the metal ions' binding to proteins in bacterial cells. And the method is effective: One investigation looked at E-contaminated water.To learn more about antimicrobial effect visit:
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