Why is it essential for a balance to exist between the sympathetic and parasympathetic nervous systems?.
Answers
When the sympathetic and parasympathetic nervous systems are in balance, the propensity is to rest frequently and easily, allowing the body to renew and heal. Achieving a balance among the two systems is an important step toward improved health and wellness.
What is nervous system?The nervous system is an extremely complicated part of an animal that intercepts its actions and sensory information by sending signals to and from various parts of its body.
The propensity to rest frequently and easily as well as allowing the body to renew and heal occurs when the sympathetic and parasympathetic nervous systems are in balance.
Thus, it is mandatory to have balance between sympathetic and parasympathetic nervous systems.
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Related Questions
"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
Answers
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
lampbrush chromosomes are an unusual type of chromosome that:
Answers
Lampbrush chromosomes are a unique type of chromosome found in the nuclei of growing oocytes in certain animals. They have extended loops and lateral loops that give them a brush-like appearance. These chromosomes are important for studying gene expression and regulation, particularly during the prophase stage of meiosis.
lampbrush chromosomes are a unique type of chromosome found in the nuclei of growing oocytes (immature egg cells) in certain animals, such as amphibians and birds. They were first discovered by German biologist Walther Flemming in the 19th century.
What sets lampbrush chromosomes apart from other types of chromosomes is their distinctive appearance. They are large and elongated, resembling a brush used to clean oil lamps. This is where their name comes from.
Lampbrush chromosomes have extended loops and lateral loops that project outwards, giving them their characteristic brush-like appearance. These loops contain active genes that are actively being transcribed, meaning that the genetic information encoded in these genes is being used to produce RNA molecules.
These chromosomes are particularly important for studying gene expression and regulation. They provide a visual representation of the active genes and their transcriptional activity during the prophase stage of meiosis, which is when genetic recombination occurs. Lampbrush chromosomes allow scientists to observe and study the process of RNA synthesis and processing.
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Lampbrush chromosomes are an unusual type of chromosome that are found in the oocytes (immature egg cells) of certain organisms, such as amphibians and birds. These chromosomes are characterized by their large size and a unique appearance under a microscope, resembling a brush or a lampshade.
Lampbrush chromosomes are named after their distinctive shape, with extended loops and lateral filaments that resemble the bristles of a brush. These structures are formed by the active transcription of genes, resulting in the production of large amounts of RNA. The loops and filaments provide a highly accessible template for gene expression, allowing the oocyte to synthesize the necessary proteins and RNA molecules for early embryonic development.
The remarkable feature of lampbrush chromosomes is their involvement in gene expression and regulation. The extended loops and filaments allow for an increased surface area, facilitating the binding of transcription factors and other regulatory proteins. This unique chromosomal structure enables the precise control of gene activity, playing a crucial role in the regulation of development.
Overall, lampbrush chromosomes are a fascinating phenomenon that exemplify the complex interplay between chromosome structure, gene expression, and cellular development in certain organisms.
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This passage describes the antenna type trait in fruit flies:
Most fruit flies have a pair of antennae on their head. But, some flies appear to have an extra pair of legs on their head instead! These flies have a mutation, or change, in a gene that affects body development. This mutation makes the cells in the fly's head form mutated antennae that are like legs.
In a group of fruit flies, some individuals have mutated antennae and others have normal antennae. In this group, the gene for the antenna type trait has two alleles. The allele A is for mutated antennae, and the allele a is for normal antennae.
A certain fruit fly from this group has normal antennae. This fly has two alleles for normal antennae.
Based on this information, what is this fruit fly's genotype for the antenna type gene?
Answers
Analyze the two cladograms. Which is the BEST description of these two cladograms?
a
Right cladogram has a different common ancestor for A and B
b
The cladograms show identical relationships, there is no difference between the two cladograms
c
Left cladogram has a different common ancestor for A, B and C.
d
The cladograms show different relationships
Answers
Explanation : I think it is B because a cladogram shows how species are related AND also shows the evolution between them.
An experiment was designed to investigate the effect of caffeine on the heartbeat of Daphnia magna, or water fleas. These tiny, aquatic animals are used because their transparent bodies make it easy to see their hearts and measure their heart rates. Two populations of Daphnia were raised, (A) and (B). Both populations lived in tanks of water at the same temperature and received identical amounts of food. Every 2 hours, water fleas from both populations were selected and their heartbeats were monitored. Population (A) had 0.5 g of caffeine given to them five minutes before their heartbeat was checked. Population (B) were given 0.5 g of water and with no caffeine.
Answers
Answer:
This question is incomplete. It is asking to identify the following in the experiment:
Independent variable: CAFFEINE
Dependent variable: HEARTBEAT
Experimental group: POPULATION A, which were given 0.5g of caffeine
Control group: POPULATION B, which were not given caffeine
Constants: SAME TEMPERATURE, SAME AMOUNT OF FOOD, SAME TIME BEFORE CHECKING
Explanation:
Independent variable in an experiment is the variable which is changed or manipulated by the experiment. In this experiment, the independent variable is the CAFFEINE.
Dependent variable is the variable that is measured by the experiment or in other words, the variable that responds to changes made to the independent variable. In this experiment, the dependent variable is the HEARTBEAT measured.
The experimental group of an experiment is the group that receives the experimental treatment (caffeine). In this experiment, the POPULATION A of Daphnia magna, or water fleas are the experimental group because they received 0.5g of caffeine.
On the other hand, the control group is the group that does not receive the experimental treatment. In this experiment, POPULATION B did not receive any caffeine, hence, it is the CONTROL GROUP.
Constant or controlled variable are those variables that the experimenter must keep unchanged for all groups throughout the experiment, in order not to influence the experiment's outcome. In this experiment, the constants are: SAME TEMPERATURE, SAME AMOUNT OF FOOD, SAME TIME BEFORE CHECKING (2hrs)
A cross between two mice with long tails and brown fur produced the four types of offspring as listed.
• Long-tailed with brown fur
• Long-tailed with white fur
• Short-tailed with brown fur
• Short-tailed with white fur
Which genetic mechanism best explains the results of this cross?
A independent assortment
B. Crossing-over
C. gene linkage
D. dependent assortment
Answers
Answer:
B
Explanation:
The genetic mechanism that best explains the results of this cross is independent assortment. The correct option is A.
What is independent assortment?According to Mendel's law of independent assortment, alleles from two (or more) different genes are sorted into gametes independently of one another.
In other words, the allele received by a gamete for one gene has no effect on the allele received for another gene.
Independent assortment occurs when alleles from at least two genes are assorted into gametes independently.
As a result, the allele inherited by one gamete has no effect on the allele inherited by the other gametes. Mendel observed that the transmission of various genes appeared to be separate events.
Independent assortment is the genetic mechanism that best explains the results of this cross.
Thus, the correct option is A.
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Skeletal Muscle can connect to ________, for example. It is involved in the movement of arms and legs.
Answers
Answer:
Skeletal Muscle can connect to tendons, for example. It is involved in the movement of arms and legs.
Explanation:
1. How can atoms become molecules ? bec of their electrons
Answers
Answer:
When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.
Explanation:
hope this helps :D
4. the serine residue of isocitrate dehydrogenase that is phosphorylated by protein kinase lies within the active site of the enzyme. this situation contrasts with most other examples of covalent modification by protein phosphorylation, where the phosphorylation occurs at a site remote from the active site. what direct effect do you think such active-site phosphorylation might have on the catalytic ability of isocitrate dehydrogenase? (see barford, d., 1991. molecular mechanisms for the control of enzymatic activity by protein phosphorylation. biochemica et biophysica acta 1133:55-62)
Answers
The direct effect of active-site phosphorylation of the serine residue in isocitrate dehydrogenase by protein kinase is likely to inhibit the catalytic activity of the enzyme.
This is because the phosphorylation could cause a conformational change in the enzyme, leading to a decrease in its affinity for the substrate isocitrate or a decrease in its ability to convert isocitrate to alpha-ketoglutarate. Additionally, phosphorylation could also disrupt the interactions between the active site and other residues in the enzyme, further reducing its catalytic ability. Overall, the phosphorylation of the serine residue within the active site of isocitrate dehydrogenase is likely to negatively affect its enzymatic activity.
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Some students want to test different soils to find out which ones absorb heat the fastest. For the first test, they put 500 grams of sand in a beaker and put a thermometer in the sand. Which aspect of this experiment should be kept the same in all the other tests? Some students want to test different soils to find out which ones absorb heat the fastest. For the first test, they put 500 grams of sand in a beaker and put a thermometer in the sand. Which aspect of this experiment should be kept the same in all the other tests?
Answers
Answer:
Weight of the soil (500g)
Explanation:
According to this question, some students are conducting an experiment in order to find out which of the different soils used absorb heat the fastest. For the first test, they put 500 grams of SAND in a beaker and put a thermometer in the sand.
In an experiment, the variables that must be kept constant for all the groups is called the CONSTANT OR CONTROLLED VARIABLE. This is done in order not to influence the outcome of the experiment. In this case, the weight (500g) of the soil should be kept the same for all other tests.
This means that for the remaining soil being tested, 500g of each type of soil should be used.
Why is nitrogen important to all living things?
A. It is found in nucleic acids.
B. It is found in lipids.
C. It is found in all organic compounds.
D. It is found in carbohydrates.
Answers
Answer:
Because , it is found in nucleic acids.
30 Points will give brainliest
Which of the following statements is true according to the food web shown above?
A.
Energy flows directly from the Sun to consumers.
B.
Energy flows from consumers to decomposers and from decomposers to consumers.
C.
Energy flows from producers, consumers, and decomposers to the Sun.
D.
Energy flows from producers and consumers to decomposers.
Answers
Answer:
the answer to this question is b
Answer:
D
Explanation:
I hope this is correct and have a great day
if a cat gets the gene for short hair from one parent and long hair from the other parent, what type of hair will it have?
Answers
Answer: If the long hair is dominant that it is long hair. But if the short hair is dominant then it is short hair.
Explanation:
what is the historic event in which cyanobacteria started producing oxygen to create the world we live in today?
Answers
Great Oxygenation Event is the historic event in which cyanobacteria started producing oxygen to create the world we live in today.
The Great Oxygenation Event is the historical occurrence when cyanobacteria began to produce oxygen and created the world we exist in today (GOE). One of the most important events in Earth's past, this took place about 2.4 billion years ago.
Carbon dioxide, methane, and other molecules made up the majority of the Earth's atmosphere before the GOE. But as cyanobacteria began to appear and develop the capacity for oxygenic photosynthesis, the amount of oxygen in the atmosphere steadily increased. As a result, the minerals in the Earth's crust began to oxidize, resulting in the creation of the ozone layer, which assisted in shielding the planet from dangerous ultraviolet radiation.
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Which of the following are assumptions of the hardy weinberg equilibrium model? mark all the correct assumptions. group of answer choices infinite populations random mating all genotypes have different fitness no mutation
Answers
The assumptions of the Hardy-Weinberg equilibrium model are infinite populations, random mating, no genetic drift, no gene flow, and no natural selection.
The correct options from the given choices are infinite populations and random mating. These assumptions are important for the Hardy-Weinberg equilibrium model to hold true. Infinite populations assume that there is no genetic drift or gene flow that could cause changes in allele frequencies over time.
Random mating assumes that individuals mate without regard to their genotype, which ensures that there is no bias in the transmission of alleles from generation to generation.
All genotypes having different fitness and mutation are not assumptions of the Hardy-Weinberg equilibrium model, as they can cause changes in allele frequencies and violate the equilibrium.
These assumptions allow us to predict the frequency of alleles and genotypes in a population over time and serve as a null model to test if natural selection, genetic drift, migration, or mutation is occurring in a population.
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which of the following is an issue with the sources of water and how we use it? a.) water demand is decreasing because of human population growth. b.) we are experiencing a decline in the waste of water. c.) the water cycle moves water through the environment, but the water supply is finite. d.) there has been an increase in aquifer water levels.
Answers
A cone of depression, which is a localised drop inside the ground water around the pump caused by the pumping of groundwater, is typical. The local water table may dramatically decline when there are many wells which have been pumping for a long time.
Describe groundwater.
The most recent acceptable revision was examined on August 22, 2021. Water found in soil pores, rock pore spaces, and rock formation cracks is known as groundwater. It is found below the surface of the Earth. When it can produce a sufficient amount of water, a unit of stone or an uncemented deposit is referred to be an aquifer.
Where is underground water kept?
The majority of the time, groundwater is kept underground when it gets wet into the ground after precipitation.
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what change to the sound wave depicted in the top graph would cause the neuron in the bottom graph to fire less often?
Answers
A change to the sound wave depicted in the top graph that would cause the neuron in the bottom graph to fire less often could be a decrease in the amplitude or intensity of the sound wave.
This decrease in energy would result in a weaker signal reaching the neuron, causing it to fire less frequently. Additionally, a change in the frequency or pitch of the sound wave could also affect the neuron's firing rate, as different frequencies activate different neurons in the auditory system. A decrease in the frequency of the sound wave may result in the neuron firing less often if it is not tuned to respond to lower frequencies.
A decrease in the amplitude (loudness) or frequency (pitch) of the sound wave would likely cause the neuron in the bottom graph to fire less often. This is because a lower amplitude or frequency means less stimulation for the neuron, resulting in fewer action potentials being generated.
1. Observe the sound wave in the top graph.
2. Identify its amplitude and frequency.
3. Decrease the amplitude or frequency of the sound wave.
4. Observe the change in the neuron firing rate in the bottom graph.
Therefore, A decrease in the frequency of the sound wave may result in the neuron firing less often if it is not tuned to respond to lower frequencies.
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The Earth's biodiversity is determined by the variety of all living organisms on Earth. In recent years, ecologists and other scientists have encouraged the preservation of global biodiversity through the protection and management of natural ecosystems. Preserving the biodiversity of the Earth is important because
Answers
Answer-:
Preserving the biodiversity of Earth is important because biodiversity increases the efficiency of ecosystems where every species, no matter how small, has an important role to play. A greater number of species of plants means a larger range of crops. Greater diversity of organisms guarantees ecological survival for all lifeforms
Explanation:
REASONS WHY PRESERVATION OF THE EARTH'S BIODIVERSITY IS IMPORTANT-
ECOSYSTEM PRODUCTIVITY - One of the key reasons we should continue to concentrate on biodiversity protection is that it helps to improve the efficiency of the ecosystem. Naturally, a properly working ecosystem would be more immune to extreme environmental factors, such as climate change.HEALTH DETECTIONS -The vast number of medical advances waiting to be made is one of the most significant reasons why we should continue working on saving biodiversity. To develop new cancer therapies and more, scientists use observations of plants , animals, and even microbes. As a matter of fact, all human drugs must first be tested before being tested on humans in laboratory animals. This is essential for determining their toxicity, dosing, as well as effectiveness. In some of the most remote sections of the planet, many of the animals used in these discoveries are also included. Recreation and Natural Beauty - The value of natural beauty is another great explanation why we should continue focusing on protecting biodiversity. There are several historical sites around the country that need to be preserved to maintain their status for future generations to enjoy, such as the redwood forest. These trees regularly have a lifespan of 600 years in the case of the redwoods. Some are as old as 2,000, too. Their growth is extremely sluggish, however. Wild and natural environments provide ways to get away from urban environments. In addition, people can enjoy outdoor activities such as bird watching, canoeing, hiking, and photography of nature. The Ecosystem 'Survival - With a few exceptions, to survive, each species on Earth relies on the services of other species. This partnership is part of the idea of what an ecosystem is. The relationship between soil, plants , and bacteria is a pertinent example. This is known as the period of nitrogen. Other examples which are important include -: Animal waste which nourishes the soil, Crops also produce straw, which is an animal food source, As natural nitrogen fixers, algae represent and Aerate the soil with rats.Economic Benefits -: Many advantages have been provided to humans through biodiversity, and many come in the form of products. These products are extracted and sold, and everything from crops to medicines is included.Hence, preservation of the biodiversity of Earth is important from all aspects of life.
Which of the following is NOT one of the recent biological and genetic discoveries that might link alcoholism to preexisting genetic factors?
A large majority of college students are serious binge drinkers.
If a fraternal twin is alcoholic, the chances of the other fraternal twin becoming alcoholic are significantly higher.
their increased power and freedom.
Answers
The recent biological and genetic discoveries have suggested that preexisting genetic factors might contribute to alcoholism. However, among the given options, "a large majority of college students being serious binge drinkers" is not a recent biological or genetic discovery that links alcoholism to preexisting genetic factors.
Binge drinking is a pattern of excessive alcohol consumption that can lead to harmful consequences. While binge drinking may increase the risk of developing alcoholism, it is not a direct genetic factor that causes alcoholism.
On the other hand, studies have found that if one fraternal twin is alcoholic, the chances of the other fraternal twin becoming alcoholic are significantly higher. This suggests that genetic factors may play a role in the development of alcoholism. Moreover, recent genetic research has identified specific genes that may be associated with alcoholism. For example, variations in genes that affect the function of the brain's reward system have been linked to an increased risk of alcohol dependence.
Overall, while binge drinking may increase the risk of developing alcoholism, it is not a direct genetic factor. The recent biological and genetic discoveries have suggested that genetic factors may contribute to the development of alcoholism, and more research is needed to understand the complex interplay between genetics and environmental factors in the development of alcohol use disorders.
Thus, the correct option is "A large majority of college students are serious binge drinkers".
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Identify the type of energy that is directly causing the water to boil.
sorry it’s not multiple choice and I can’t take a picture of it bc I’m not on the app
Answers
Answer:
can you reply with the answer choices?
Which of the following is a function of the cell wall? (from khan academy~ need asap~ will make brainiest)
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
To package proteins
(Choice B)
B
To give the cell a rigid structure
(Choice C)
C
To carry out photosynthesis
(Choice D)
D
To provide energy for the cell
Answers
According to the research, the correct option is (Choice B). A function of the cell wall is to give the cell a rigid structure.
What is the cell wall?It refers to an extracellular structure composed of proteins that has an important structural role in prokaryotic cells and plant cells.
In this sense, they serve as mechanical support and provide rigidity to the cell, which in turn allows it to withstand variations in tension, which protects the content of the cell and is responsible for the mediation between the cell and its environment.
Therefore, we can conclude that according to the research, the correct option is (Choice B). A function of the cell wall is to give the cell a rigid structure.
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PLS HELP!!!!
Which option best describes a scientific consensus?(1 point)
A. a general agreement among a few scientists that is supported by experimentation and investigation
B. an observation made by a scientist that is supported by experimentation and investigation
C. a general agreement among many scientists that is supported by evidence and reasoning
D. an observation made by a scientist that is supported by evidence and reasoning
_______________________________________________________
How is “lock and key” used to describe the action of enzymes? (1 point)
A. Enzymes are able to create gaps in cell walls that allow products to leave cells.
B. Enzymes have a shape that specifically fits the reactants, like a key in a lock.
C. Enzymes have a shape that specifically fits the reactants, like a key in a lock.
D. Enzymes have a shape that specifically fits the products, like a key in a lock.
Answers
The option that best describes a scientific consensus is a general agreement among many scientists that are supported by evidence and reasoning.
The correct option is C.
The lock and key model of enzyme catalysis is described as follows:
Enzymes have a shape that specifically fits the reactants, like a key in a lock.
The correct option is B.
What is a scientific consensus?A scientific consensus is a common agreement about a particular idea or theory that has achieved general acceptance among scientists.
A scientific consensus is arrived at after several corresponding experiments or research on a particular theory or idea by scientists all over the world.
When a scientific consensus is reached, the idea becomes a theory upon which other scientific ideas are based on and used to explain other ideas.
Enzymes are specific in their action and the mechanism of their action has been described using the lock and key model.
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which population had the greatest density?
Answers
Answer:
China
Explanation:
it has greatest/highest density
describe how a serial dilution, if performed incorrectly, can lead to a gross systematic error in a spectrophotometric analysis.
Answers
In a spectrophotometric analysis, a gross systematic error can occur if the serial dilution is not performed accurately.
For example, if the dilution factor is not consistent or if the volume of the diluent added to each sample varies, it can lead to an error in the measured absorbance values.
A serial dilution is a procedure in which a substance is diluted multiple times to achieve the desired concentration. Incorrect execution of serial dilution can lead to a significant systematic error in spectrophotometric analysis.
The use of a standard curve in the spectrophotometric analysis is standard. The concentration of the unknown sample can be calculated based on the curve of known concentrations of the standard. The use of a known standard concentration in serial dilution is the first step.
This step ensures that the concentration of the unknown sample is correctly identified. An error in the serial dilution concentration can be a major cause of the systematic error. Scientists employ spectrophotometric analysis to quantify the concentration of an unknown sample. The error in the standard dilution concentration could, however, lead to a measurement mistake.
A serial dilution error can cause an incorrect result even if the spectrophotometer is correctly calibrated or operating accurately. The effect of a gross systematic error on the accuracy of spectrophotometric analysis is substantial. Gross and systematic errors can result in incorrect outcomes that can have serious implications.
A systematic error can be identified by measuring the deviation of the results from the theoretical value. A thorough check of serial dilution accuracy, on the other hand, can prevent this mistake.
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Anaerobic respiration produces ___
molecules of ATP.
Answers
Answer:
Anaerobic respiration produces 2
molecules of ATP.
Explanation:
Answer:
anaerobic respiration produce 2
how would you (in your own words) define carbon footprint in 2 sentances?
Answers
Explanation:
the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.
Answer:
1: carbon footprint is the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.
2: A carbon footprint is a measure of the impact your activities have on the amount of carbon dioxide (CO2) produced through the burning of fossil fuels and is expressed as a weight of CO2 emissions produced in tonnes.
How do you know if you have an intestine problem?
Answers
The most typical signs of intestinal issues are stomach pain, bloating, diarrhoea, constipation, and changes in bowel habits.
How do you tell if you have a problem with your intestines?Stomach pain, bloating, diarrhoea, constipation, and changes in bowel habits are the most common symptoms of intestinal problems.In addition, you can have fatigue, weight fluctuations, nausea, appetite loss, flatulence, and rectal bleeding.You should consult your doctor if you encounter any of these symptoms in order to identify the underlying reason and receive the proper care.There are several symptoms to watch out for if you think you may have an intestinal issue. These include vomiting, weight loss, changes in bowel habits, trouble passing stool, bloody stool, bloating, gas, and stomach pain.It is crucial to keep in mind that some of these symptoms may also be brought on by other conditions, like food allergies or food poisoning. Therefore, if you have any of these symptoms, it is important to see your doctor for a diagnosis.The doctor may suggest a course of treatment to assist control the disease if the tests identify an intestinal problem. Changes to your diet, prescription drugs, or even surgery may all be used as treatments.To maintain the health of your intestines and avoid any more issues, it's critical to adhere to your doctor's recommendations.To learn more about intestine problem refer to:
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Arrange the following items in the correct order
1.
2.
3.
4.
5.
RNA polymerase finds promotor
RNA polymerase adds new nucleotides
RNA polymerase unwinds strand
transcript is released
RNA polymerase reaches termination site
SUBMIT
Answers
Answer:
1.) RNA polymerase find promotor
2.) RNA polymerase unwinds strand
3.) RNA polymerase adds new nucleotides
4.) RNA polymerase reaches termination site
5.) Transcript is released
The correct order is 1. RNA polymerase unwinds the strand, 2. RNA polymerase finds promoter, 3. RNA polymerase adds new nucleotides, 4. The transcript is released, 5. RNA polymerase reaches the termination site.
The process of transcription involves the synthesis of RNA from a DNA template.
RNA polymerase unwinds strand: RNA polymerase recognizes the DNA strand that needs to be transcribed and unwinds the double helix, separating the two DNA strands.
RNA polymerase finds promoter: RNA polymerase searches for and binds to a specific DNA sequence called the promoter, which marks the starting point for transcription.
RNA polymerase adds new nucleotides: Once bound to the promoter, RNA polymerase begins moving along the DNA strand, reading the template strand and adding complementary RNA nucleotides. This process is known as elongation.
The transcript is released: As RNA polymerase moves along the DNA template, it continues adding nucleotides to the growing RNA molecule. Eventually, it reaches a termination site on the DNA, signaling the end of the gene or region being transcribed. At this point, the RNA polymerase releases the completed RNA transcript.
RNA polymerase reaches the termination site: The termination site is a specific DNA sequence that signals the end of transcription. Once RNA polymerase reaches this site, it detaches from the DNA template, and the RNA transcript is released.
Thus, the correct order is 1. RNA polymerase unwinds the strand, 2. RNA polymerase finds promoter, 3. RNA polymerase adds new nucleotides, 4. The transcript is released, 5. RNA polymerase reaches the termination site.
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cell wall is secreted by:
(a)nucleoplasm (b)golgi complex (c)ribosomes (d)protoplasm
Answers
Answer:
A
Explanation:
The middle muscular layer of the heart wall - the thickest and pumps blood through the vessels is called ___
Answers
The middle muscular layer of the heart wall - the thickest and pumps blood through the vessels is called the myocardium.
The myocardium is the middle and thickest layer of the heart wall, located between the inner endocardium and the outer epicardium. It is composed of cardiac muscle cells, also called cardiomyocytes, that are specialized to contract and relax in order to pump blood through the circulatory system.
The myocardium is responsible for the contraction of the heart and generates the force needed to push blood through the arteries and veins. It also contains the electrical conduction system that regulates the heartbeat and ensures coordinated contractions of the heart chambers. The thickness and strength of the myocardium varies depending on the size and workload of the heart.
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