The crude element scientists and doctors were looking from which our body tries to make all the other cells with specialized type of functions are called embryonic stem-cells. Option (A).
They have the ability to provide many varieties of bin the body. In infection or any injury, they may be very useful as they displace the useless and broken cells. Embryonic stem cells are discovered withinside the internal middle of the human embryo.
They are withinside the undifferentiated shape which means they could deliver upward push to any sort of mobileular and its progenitors. ESC are pluripotent this is they've complete ability to change into the 3 number one germ layers. They may be the first-rate choice for recuperation the widest kind of sicknesses as they could regenerate and restore broken tissues and organs. Therefore, Embryonic stem cells are the first-rate choice for recuperation the widest kind of sicknesses.
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Correct Question:
When scientists and doctors are looking to heal wounds and cure diseases, stem cells are a great option because they can repair damage and grow new specialized cells. From the list, which type of stem cell would be the best option for healing the widest variety of diseases?
a). embryonic stem cells
b). small intestine stem cells
c). bone marrow stem cells
d). skin stem cells
Plants and animals exchange materials through the processes of photosynthesis and cellular respiration. Which of these statements is true about the way these two processes are related? The products of photosynthesis prevent cellular respiration from occurring. The products of cellular respiration are also the reactants of photosynthesis. The products of cellular respiration are also the reactants of cellular respiration. The products of photosynthesis are also the reactants of photosynthesis.
The statement which is true about the two processes is that the products of cellular respiration are also the reactants of photosynthesis.
What is photosynthesis?
It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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Which surface allows for the most surface runoff?
a. grass
b. concrete
c. crops
d. wetlands
Answer:
b. concrete
Good luck!
How are the events that occur on Earths surface important within the rock cycle?
Earthquakes shake and volcanoes erupt. Sections of the crust are on the move. Mountains push up and wear down. These and many other processes contribute to the rock cycle, which makes and changes rocks on or below the Earth’s surface.
Hope it helped
The mitotic spindle is part of a cell that allows for the movement of sister chromatids to opposite poles of the cell during the later stages of mitosis. Which problem would most likely occur if the mitotic spindle stopped functioning in a cell?
Newly produced cells would be twice their normal size.
what are start and stop codons? what are insertion, deletion, and substitution mutations? what are frameshift, missense, nonsense, and silent mutations? which type of mutation is most likely to cause a change in a protein's structure and function (frameshift, missense, nonsense, and or silent mutations)? what is least likely to change the protein's structure and function? explain.
The start codon identifies the location where the translation of a protein sequence starts, and the stop codon identifies the location where translation ends.
what are start and stop codons?
The start codon is the first group of codons in an mRNA transcript that a ribosome translates. The most frequent start codon for methionine in eukaryotes is AUG.
A protein translation process is to be stopped by the stop codon, which is a termination codon. The amino acid chain is broken by this codon because it separates the ribosomal subunits. The common stop codons are UAG, UAA, and UGA.
A mutation is a change in a genome's base pairs or nucleotide sequence.
Substitution
A nucleobase gets changed for another one in this particular type of mutation. Point mutations or nucleotide substitutions are the results.
Insertion
Nucleotides are added to or inserted into the DNA sequence in this particular sort of mutation. Frameshift mutation results from it.
Deletion
The nucleotides are deleted or removed from the sequence in this particular sort of mutation. Frameshift mutation results from it.
Silent mutations happen when one DNA nucleotide changes within a gene's protein-coding region without changing the sequence of amino acids that make up the gene's protein.
If nucleotide bases are added or removed from a gene in amounts that are not multiples of three, this is referred to as a frameshift mutation. This is significant because, when creating a protein, a cell reads the genetic code of a gene in groups of three nucleotides.
miss sense mutation is a genetic change wherein a single base pair substitution modifies the genetic code in a way that results in the production of an amino acid that differs from the typical amino acid at that place.
Non sense mutation -genetic modification that causes a protein to end prematurely. The altered protein may be changed or lose its function as a result of partial or complete inactivation.
A frameshift mutation will almost certainly alter the protein's structure and function.
Silent mutations: A few mutations that alter DNA bases have no impact on the order of the amino acids in a protein. Because the amino acid sequence is unaffected, these changes, also known as silent mutations, have no impact on the protein's structure or functionality.
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describe the mechanism by which atp synthase makes atp. when the beta subunit is in the loose conformation, it may contain atp.
ADP and phosphate are converted into ATP by the mitochondrial enzyme ATP synthase, which is located in the inner membrane.
caused by an electron transfer from the chemically positive to the negative side of a proton, which creates a gradient.
ADP and Pi substrates can be loosely bound in the LOOSE conformation, but ATP catalysis cannot start until the beta subunit switches to the TIGHT conformation. ADP + Pi ---> ATP is produced by the TIGHT conformation, however it is unable to release this catalytic product.
The membrane-bound ATP synthase complex's alpha- and beta-subunits bind ATP and ADP; beta contributes to catalytic sites, and alpha may be involved in controlling ATP synthase activity. The beta-subunit sequences are substantially conserved in
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two species of antelope ground squirrels live on the two sides of the grand canyon. they are hypothesized to descend from a common ancestor species, populations of which were separated as the canyon formed. if this hypothesis is correct, it would be an example of:
common ancestor species, populations of which were separated as the canyon formed. if this hypothesis is correct, it would be an example of Allopatric speciation by Vicariance
The process through which new species develop from an existing species is known as speciation.
Allopatric speciation, sympatric speciation, and parapatric speciation are three broad categories of speciation.
When groups of individuals from a given population are divided by a physical barrier, such as a mountain, river, etc., allopatric speciation occurs.
When a group of individuals from the same species fill distinct niches in the same habitat, parapatric speciation occurs, leading to the emergence of novel characteristics.
When members of a population fail to identify one another as possible partners, sympatric speciation results.
The Grand Canyon, a physical barrier, kept the antelope ground squirrels apart in the situation at hand.
Once more, the Grand Canyon, not population migration to a divergent location, caused the population to split.
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when i attended the aquarium’s camp, i had a pleasant time studying nocturnal sea animals like the squirrelfish. which word should be replaced with a more precise word? marine pleasant nocturnal squirrelfish
when i attended the aquarium’s camp, i had a pleasant time studying nocturnal sea animals like the squirrelfish. the word should be replaced with a more precise word marine pleasant nocturnal squirrelfish The term "nice" should be changed to something more explicit.
It should be emphasised that a definition only refers to a word's potential uses and its meaning. In this aquarium’s camp, instance, pleasant will be the term that needs to be changed for one that is more precise.The word pleasant is quite ambiguous and imprecise, much like the word intriguing, even though this does not appear in the text. I'm not sure if this is a multiple choice question or not. The term pleasant doesn't sound very concrete or descriptive because the author is talking about an academic experience, which is undoubtedly equally enjoyable, and because he or she has used more specific and technical words, like nocturnal marine animals and squirrelfish. Other words like fascinating, enriching, or eye-opening may have been used instead.
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who gives the best example of friendship in the book? why? explain. write a quote from the book that helps explain, of mice and men
John Steinbeck in a book Of Mice and Men gives the best example of friendship. because, Of Mice and Men is set in California in the world of migrant workers. Friendship is a central theme in Of Mice and Men.
John Steinbeck wrote the novella Of Mice and Men. It was written in 1937 and tells the story of two displaced migrant workers named George Milton and Lennie Small, who roam around California in quest of new employment prospects during the Great Depression. He met the people and visited the places that would eventually serve as the inspiration for his best works, including Of Mice and Men, during this time of itinerant farm work. In truth, Steinbeck asserted that Lennie's tale was migrant workers inspired by a true event in which he saw a murder take place while he was at work on a ranch.
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Which of the following takes place as a result of the cardiovascular system's adjustment to exercise in a hot environment?a. increased heart rateb. decreased blood pressurec. shunting of blood to the skind. All of these are correct
The correct option is D; All of these are correct Increases in cardiac stroke volume and heart rate during exercise boost cardiac output, which, along with a transitory rise in systemic vascular resistance, raises mean arterial blood pressure (60).
Long-term activity, on the other hand, can induce a net drop in blood pressure during rest.
Deposits of the "aging pigment," lipofuscin, are normal changes in the heart. The cardiac muscle cells gradually deteriorate. The heart valves, which govern the direction of blood flow, thicken and stiffen.
Heart murmurs induced by valve stiffness are rather prevalent in the elderly. The increased cardiac output is preferentially directed to the working muscles, including the heart.
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Active transport requires the input of energy into a system so as to move solutes against their electrochemical and concentration gradients. WHich of the following is not one of the common ways to perform active transport?A. NA+-CoupledB. APT-drivenC. K+-coupledD. light-driven
The correct option is C : K+-coupled. Solute transport can occur either along or against the concentration gradient.
There are two forms of transport that occur in living organisms: active transport and passive transport. Passive travel does not require energy for transportation, but active transport does.
The K+ linked transport does not require any energy molecules and is simply transferred across the leaky channel. As a result, K+-coupled transport is not a common active transport. Substances travel against the concentration gradient during active transport, from a low concentration location to a high concentration area.
As a result, option C is the correct answer.
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Which postulate of natural selection is deliberately enforced by dog breeders using artificial selection?.
Reproduction and survival are not decided by chance.
What is the underlying theory behind animal natural selection?An evolutionary mechanism is natural selection.Environment-adapted creatures are more likely to endure and pass on the genes that made them successful. This technique eventually causes species to evolve and diverge.
What is synthetic selection? the theory of Darwin?The act of identifying desirable traits in plants and animals and taking steps to strengthen and pass those traits on to succeeding generations is known as artificial selection.
What is an illustration of natural selection at work?The development of giraffes' long necks is a prime illustration of natural selection at work. Modern giraffes' ancestors were antelope or deer-like creatures.
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over time, the tension between the two species over access to the crevices becomes intense. divers at the site observe actual fights between the eels and the octopuses. usually, it is the moray eel that wins in these fights. after a few years, octopuses disappear completely from this reef, and all of the crevices are occupied by eels. this result means that this scenario is an example of
I'll try to spell it correctly because I can't identify which portions of the statement are underlined. Divers will also be able to witness a wide variety of marine life, such as huge eels, manta rays, octopi, and green turtles.
A list of marine life should always be separated by commas.the tension between the two species over access to the crevices becomes intense. divers at the site observe actual fights between the eels and the octopuses. usually, it is the moray eel that wins in these fights. after a few years, octopuses disappear completely from this reef, and all of the crevices are occupied by eels. this result means that this scenario The given sentence should read, "Seeing the dolphins, some sharks, a killer whale, and a moray eel made the visit," as moray is not a proper name and should not be capitalized.
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The
fluid flows throughout and
around the brain and spinal cord.
A. interstitial
B. cerebral spinal
C. extracellar
when gfr and blood pressure decrease, what happens to the afferent arteriole and to efferent arteriole?
Answer: Increased blood volume and increased blood pressure will increase GFR.
Explanation: Saw on the internet.
What parts of the brain ultimately plan and coordinate complex motor activities?.
In the end, complicated motor processes are planned and coordinated by brain regions in the cerebellum.
What areas of the brain eventually organize and plan complicated motor behaviors?Complex motor processes are planned and coordinated by the cerebellum and basal nuclei, which together make up the precommand level of motor control. Identify the parts of a reflex arc and the differences between somatic and autonomic responses.
What part of the brain controls how precisely movement begins and ends?The motor cortex is one of the parts of the brain that controls these voluntary movements the most. The motor cortex is situated just before the central sulcus (furrow) that divides the frontal lobe from the parietal lobe in the back of the frontal lobe.
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There are three factors that are primarily responsible for maintaining the resting membrane potential. This electrical polarization would be disrupted by.
how does the juxtaglomerular apparatus respond when systemic blood pressure is too high? a. the juxtaglomerular cells send a message to the afferent arteriole to dilate. b. the macula densa sends a message to the efferent arteriole to constrict. c. the macula densa sends a message to the afferent arteriole to constrict. d. the granular cells release renin which causes systemic arterioles to constrict.
ANP works by dilating the afferent arterioles and constricting the efferent arterioles to raise the glomerular filtration rate (GFR) in the kidney. [4] At various nephron levels, ANP also prevents reabsorbing salt and water.
The atria are where atrial natriuretic peptide is mostly produced and secreted. Through a rise in water and sodium excretion, it uses the kidney to regulate blood pressure levels. By ensuring that the afferent arterioles are dilated to make space for an increased blood flow due to the increased pressure, the hormone aids in the regulation of blood pressure. Research demonstrates that the enzyme prevents renin from being released. ANP increases blood pressure and blood sodium levels
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Which organelles must be present within a cell of a geranium leaf for respiration and photosynthesis.
Answer:
The chloroplast and the mitochondria.
Explanation:
what training method, in terms of duration and intensity, will stimulate gradual adaptations in muscle fibers helping to make them more fatigue resistant?
The progressive resistance training regimen should stress the muscles in order for them to work properly. The muscle that is worked is the muscle that adapts to training, which is the most evident example of specificity.
Resistance exercise builds muscular strength by challenging your muscles to perform against a weight or force.Resistance training can be done with free weights, weight machines, resistance bands, or your own body weight.To reap the most benefits, a novice should workout twice or three times each week.Before beginning a new fitness program, complete the adult pre-exercise screening tool and consult with a specialist, such as your doctor, exercise physiologist, physiotherapist, or AUS active registered professional.To maximize strength and growth increases, rest each muscle group for at least 48 hours.Changing up your routines might help you break through a fitness plateau.Learn more about Resistance training to visit this link
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some flowers have distinctive patterns that only reflect ultraviolet light and therefore are invisible to humans. which statement about such markings is not correct?
The statement that is not correct according to the statement is, the ultraviolet patterns repel birds and bats from the flowers. Correct answer: letter D.
This statement is not correct, because ultraviolet patterns are usually not visible to birds and bats. Therefore, birds and bats are not repelled by the patterns.
Ultraviolet light patterns in flowers: an exploration of their impact on the ecosystemThere are some elements of the flower that generally go unnoticed. One of these elements is the ultraviolet light that some flowers reflect. These ultraviolet light patterns can have a major impact on the ecosystem, from attracting pollinators to controlling pests.
Ultraviolet light patterns are unique to each flower, and these patterns are used to attract pollinators to flowers. Pollinating insects, such as bees, are an essential part of ecosystems, as they help many plants reproduce. Bees have ultraviolet light sensors that help them detect the ultraviolet light patterns of a flower.
Some flowers have distinctive patterns that only reflect ultraviolet light and therefore are invisible to humans. Which statement about such markings is NOT correct?
A. The ultraviolet patterns are highly visible and attractive to bees.
B. Carotenoid pigments are responsible for the ultraviolet patterns.
C. The ultraviolet patterns often form a conspicuous central bull's eye or identify the best landing sites.
D. The ultraviolet patterns repel birds and bats from the flowers.
E. Flowers with ultraviolet patterns usually appear yellow or orange to humans.
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What is the purpose of the appeal in this passage? to show that nature can be humorous and entertaining to evoke sympathy for the animals by showing their perspective to emphasize that both animals and people need darkness to navigate to establish laduke as an expert on the biological needs of animals.
The purpose of this passage's appeal is to arouse empathy for the tree using powerful words and images.
What methods does the poet use to develop the theme of the poem?In poetry, the theme is frequently developed through specifics, organization, and word choice. When analyzing a poem to identify the theme, take into account the following inquiries concerning each. Events, people, dialogue, and narration are all details.
How would you phrase a paragraph's main points?You must carefully read a piece to identify the major concepts and supplementary thoughts before summarizing. Then, in a few phrases or a paragraph, you must succinctly write down those concepts. It's critical to recognize the distinction between a summary and a paraphrase.
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Question
What is the purpose of the appeal in this passage?
A. to show that nature can be humorous and entertaining
B. to evoke sympathy for the animals by showing their perspective
C. to emphasize that both animals and people need darkness to navigate
D. to establish LaDuke as an expert on the biological needs of animals
Answer:
To Evoke sympathy for the animal by showing their perspective
Trust me
Which of these is a potential reason why tropical communities tend to have greater species diversity than temperate or polar communities? a. Tropical communities are somerally older than temperate and polar communities b. There are fewer parasites to negatively affect the health of tropical communities c. More competitive dominant species have evolved in temperate and polar communities d. They are less likely to be affected by human disturbance. e. Tropical communities are low in altitude, whereas temperate and polar communities are high in altitude
In tropical rainforest climates have usually high temperatures. The the only average temperature is normally in between 21° and she has to 30° and ships the precipitation here can reach over 100 inches e. The stable tropical rainforest environment.
By allowing plants and animals two interact all year around. It is generally seen that there is more diversity in the tropical region, then the temperature region because of variety of factors in this higher temperature in tropics causes higher rate of metabolic . So the correct answer of this question is option, mm hmm. That is tropical communities have high you average temperature and precipitation.
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Answer:
Girl what is this?
the process in which swollen starch granules rupture causing the amylose to leak and thicken a cooking liquid is called .
The process of gelatinisation occurs when starch granules are heated in a liquid, causing them to swell and burst, which results in the liquid thickening. [Note that gelatinisation is different from gelation which is the removal of heat, such as ice cream is set when it is frozen.]
The disorganization of the starch granule's molecular arrangement is known as starch gelatinization. As a result, the granules enlarge, crystallites melt, birefringence is lost, viscosity is developed, and solubilization occurs. To investigate starch gelatinization, several analytical methods have been used.Long, interconnected strands of sugar molecules provide the structure of starch. Plants use starch primarily to aid with energy storage. Starch is a source of sugar in an animal's diet. Animals employ the amylase enzyme, which is found in saliva and the pancreas and breaks down starch for energy.
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a. moves water and solutes from the renal tubules into the peritubular capillaries b. is called secretion c. is called reabsorption d. occurs as water and solutes move from the glomerulus to the glomerular capsule.
The correct answer is B) occurs as water and solutes move from the glomerulus to the glomerular capsule.
Urine is a waste byproduct formed from excess water and metabolic waste molecules during the process of renal system filtration. The primary function of the renal system is to regulate blood volume and plasma osmolarity, and waste removal via urine is essentially a convenient way that the body performs many functions using one process.
Filtration involves the transfer of soluble components, such as water and waste, from the blood into the glomerulus. Reabsorption involves the absorption of molecules, ions, and water that are necessary for the body to maintain homeostasis from the glomerular filtrate back into the blood.
The full question is:
The first step in urine production
A) is called reabsorption.
B) occurs as water and solutes move from the glomerulus to the glomerular capsule.
C) moves water and solutes into the peritubular capillaries from the renal tubules.
D) moves water and solutes from the renal tubules into the peritubular capillaries.
E) is called secretion
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A lack of which molecule would result in the cell's inability to "turn off" genes?
A) operon
B) inducer
C) promoter
D) ubiquitin
E) corepressor
A lack of Corepressor molecules would result in the cell's inability to "turn off" genes.
What are genes?
A gene is the most fundamental physical and functional unit of heredity. DNA is the building block of genes. Some genes serve as blueprints for the creation of proteins. Many genes, however, do not code for proteins. Genes in humans range in size from a few hundred DNA bases to over 2 million bases.
The Human Genome Project, an international research effort that worked to determine the sequence of the human genome and identify the genes that it contained, estimated that humans have between 20,000 and 25,000 genes.
Every individual has two copies of each gene, one from each parent. The majority of genes are the same in all people, but a small number of genes (less than 1% of the total) differ slightly between people.
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A classmate suggests that temperature might affect the rate of mitosis in plant cells. Design an experiment to test this hypothesis.
Answer: The environment immediately surrounding a cell can have substantial effects on the process of cellular division. Mitosis, one type of cell division, is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets, in two separate nuclei. This is the fundamental process that produces most of the cells in multicellular organisms and allows for growth and repair of an organism.
What is the process of ecological succession from a pioneer community to a climax community?
A seral community is a transitional stage of ecological succession moving toward the climax community.
What is Ecological succession ?Ecological succession is the process of change in an ecological community's species composition over time. The time frame can span several decades or fewer (for instance, following a wildfire).The cycling of nutrients like carbon, nitrogen, and sulphur is made possible by bacteria.The community grows through an increase in complexity from a small number of pioneering plants and animals to a stable or self-sustaining climax community. The effects of established organisms on their own settings serve as the "engine" of succession and the reason why ecosystems evolve. Living has the effect of changing one's environment, sometimes subtly and sometimes blatantly.To learn more about Ecological succession refer to:
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what might cause the percentages of blood types to change in the united states over a long period of time?
Global distribution pattern of blood groups depends on various environmental factors, such as disease, climate, altitude, humidity etc.
A blood type (also known as a blood group) is a type of blood that is classified based on the presence or absence of antibodies and inherited antigenic substances on the surface of red blood cells (RBCs). Depending on the blood group system, these antigens can be proteins, carbohydrates, glycoproteins, or glycolipids. Some of these antigens can also be found on the surface of other types of cells in different tissues. Several of these red blood cell surface antigens can be derived from a single allele (or an alternate version of a gene) and form the basis of a blood group system.
There are four major blood groups (blood types): A, B, AB, and O. The genes you inherit from your parents determine your blood group. Each blood group can be RhD positive or RhD negative, for a total of eight blood groups.
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