ability to generate action potentials in a regular pattern is called?
Answers
A abrupt, quick, temporary, and spreading shift in the potential of the resting membrane is referred to as an action potential. The ability to produce an action potential is known as excitability, and it can only occur in neurons and muscle cells.
Voltage-gated ion channels, which are membrane-spanning proteins with ion-selective pores, play a role in the formation and propagation of action potentials. The structural conformation of ion channels changes in response to variations in the electrical field across the membrane. When various ions pass across the neuron membrane, action potentials are produced. Sodium channels first open as a result of a stimulation.
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Related Questions
. A/an _________________________ is a single unit of heredity that occupies a specific location on a chromosome.
Answers
Answer:
the gene is the single unit of the heredity that occupies a specific location on a chromosome
Explanation:
also non as genetic
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature
Answers
Answer:
Many snakes prefer to move around during the day, when they can alternately bask in the sun's heat and slither into shadows to regulate their body temperatures. As cold-blooded animals, or ectotherms, snakes rely on the environment to keep their bodies at optimum operating temperatures.
Explanation:
The two strategies that a rattlesnake use to conserve energy and regulate body temperature are- 1.) Snake can move into the shade 2.) It can sweat to evaporate the water off the skin to lower the temperature. Options A and D are correct.
Behavioral thermoregulation- Rattlesnakes are ectothermic. This means that their body temperature is mainly regulated by the environment they live in. Rattlesnakes exhibit thermoregulatory behaviors to conserve energy and regulate body temperature.
Rattlesnakes enter torpor when resources are limited or the environment is unfavorable. During torpor, the rattlesnake’s metabolic rate slows down, allowing it to conserve energy. This process slows down the snake’s physiological processes and lowers its body temperature.
This process can occur during hibernation in cold climates or when the environment is unfavorable, such as during drought or when there is a lack of food. This allows the rattlesnakes to adapt to challenging conditions with minimal energy expenditure.
Therefore, the correct options are options A and D.
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Your question is incomplete but most probably your full question was-
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature?
A) The snake can move into the shade in order to lose the thermal energy of the environment and lower its body temperature.
B) The snake can shiver in order to increase its metabolism and raise its body temperature.
C) The snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature.
D) The snake can sweat in order to produce water that will evaporate off its skin and lower its body temperature.
PLEASE HELP!!
Which sector creates the most fossil fuel emissions?
agriculture
transportation
electricity generation
industry
Answers
Answer:
transportation
Explanation:
Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.
hope this help
when a child is upset, parents can respond in many different ways. what kinds of emotion coaching are most likely to promote constructive emotional self regulation
Answers
The most effective emotion coaching techniques for promoting constructive emotional self-regulation in children are empathy, validation, and problem-solving.
Empathy involves acknowledging the child's feelings and showing understanding, which helps the child feel supported and less alone in their emotions. Validation refers to recognizing the legitimacy of the child's emotions, demonstrating that their feelings are important and normal. Problem-solving involves helping the child identify coping strategies or solutions to manage their emotions effectively.
In summary, when a child is upset, parents can best promote constructive emotional self-regulation by utilizing empathy, validation, and problem-solving techniques in their emotion coaching approach.
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A group of atoms bonded together is a molecule.
A. True
B. False
Answers
Answer:
A. True
Explanation:
A group of two or more atoms that are chemically bonded together is known as Molecule
-TheUnknownScientist
a researcher is comparing the size of sarcomeres in mice to those in elephants. what will he find? it is impossible to determine sarcomere size in elephants and mice, given that sarcomeres are dynamic and are constantly changing in length and diameter. sarcomere size is proportional to the size of the animal; sarcomeres of elephants will be much larger than sarcomeres in mice. sarcomere size is relatively constant in vertebrates. as a result, mouse and elephant sarcomeres will likely be equal in size. sarcomere size is inversely proportional to animal size; sarcomeres in mice will be much larger than sarcomeres in elephants.
Answers
The sarcomere is the muscle unit of contraction. Option C) sarcomere size is relatively constant in vertebrates. as a result, mouse and elephant sarcomeres will likely be equal in size.
What is a sarcomere?When talking about a sarcomere we are referring to the contractile unit of the contractile apparatus -muscle-.
In the sarcomere, we can identify the following components,
A-band. I-band. H-zone. Z-bandWhen the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in the sarcomere length.
The H line and the I band get shorter. The Z lines get closer to the A band, meaning they get closer to one another. The A band keeps constant in length.
The sarcomere length is about 2 mm during a contraction when actin filaments are completely superposed over the myosin filaments. This length is about the same in all vertebrates.
The correct option is C) sarcomere size is relatively constant in vertebrates. As a result, mouse and elephant sarcomeres will likely be equal in size.
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Jen and Ori are conducting an experiment to observe how sand and water absorb energy. They obtain two identical 1000-milliliter (mL) beakers, add 500 mL of distilled water to the first beaker, and 500 cubic centimeters (cm3) of sand to the second beaker. They place both beakers on a hot plate that is set to medium heat. Thermometers are placed in each beaker and held with clamps. Both beakers are heated for seven minutes and then removed from the hotplate and cooled for an additional fifteen minutes. Jen and Ori record the temperature of each beaker at one-minute intervals. How could Jen and Ori have increased the reliability of their experiment?
Answers
Answer:
I think that the answer should be B-repeated the experiment multiple times to see if they obtained the same results
Explanation:
This should be most reliable. Hope this helps!
5. What enzyme makes it less likely that DNA will be lost from telomeres during replication?
Answers
Answer:
Telomearse
Explanation:
How can one adjust pacing to keep heart rate in the target zone?
Answers
The third option i the correct one: "if the heart rate is above target zone, move to a less cardio-intensive activity". The other options tend to surpass heart target zone as they imply more effort. While the third, suggest to slow motion, without being completely static, in order to allow the heart rate to return to the target zone.
shortly after adding 14c -labeled glyceraldehyde-3-phosphate to a yeast extract, fructose-1,6-bisphosphate labeled at c -3 and c -4 can be isolated.
Answers
Shortly after adding 14C-labeled glyceraldehyde 3 phosphate to a yeast extract, fructose-1,6-bisphosphate labeled at C-3 and C-4 can be isolated.
Glyceraldehyde is a simple sugar and an important molecule in biochemistry. It is a three-carbon sugar with the chemical formula C3H6O3. Glyceraldehyde is a key intermediate in several metabolic pathways, including glycolysis and gluconeogenesis. It plays a critical role in energy metabolism, serving as a substrate for the production of ATP, the main energy currency of cells. Additionally, glyceraldehyde is a component of various carbohydrates and is involved in the synthesis of lipids and amino acids. Its versatility and involvement in metabolic processes make it significant for cellular function.
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Which of the following structures is found in eukaryotic but not prokaryotic cells? (eText Concept 6.2)
a. ribosomes
b. plasma membrane
c. DNA
d. mitochondria
e. cytosol
Answers
(D) Mitochondria, the organelles responsible for energy production, are exclusive to eukaryotic cells and absent in prokaryotic cells, which lack membrane-bound organelles.
Eukaryotic cells are characterized by having a well-defined nucleus, which contains genetic material (DNA) surrounded by a nuclear membrane. They also have several organelles, including mitochondria, which are responsible for energy production through aerobic respiration. In contrast, prokaryotic cells lack a nucleus and other membrane-bound organelles, including mitochondria. Instead, prokaryotic cells have a single circular chromosome and may have plasmids, which are smaller circular pieces of DNA.
They also have ribosomes, which are responsible for protein synthesis, but these differ in size and composition from those found in eukaryotic cells. The plasma membrane, which separates the cell from its environment and regulates the movement of substances in and out of the cell, is present in both prokaryotic and eukaryotic cells, but its composition differs slightly. Finally, cytosol, the liquid component of the cytoplasm that surrounds the organelles, is present in both types of cells.
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Which is true about Adult Stem Cells? *
They no longer do mitosis, their cell type is set and can not change
They can become any cell type in the body
They are limited to the type of cell they can become.
They are found in embryos
Answers
what gender is this duck?
Answers
Answer:
Female
Explanation:
Females typically don't have the curly tail at the end and this photo shows there are not any so I'm pretty sure it's a female.
Construct a scientific explanation for why fossils of the megalosaurus can be found in South America and Africa.
Answers
Answer:
La paleontología de dinosaurios o dinosaurología es una subdisciplina de la paleontología ... A los paleontólogos que se dedican a estos estudios se les denomina ... Buckland puso el nombre de Megalosaurus al dinosaurio propietario de aquel diente ... Aunque se puede encontrar fósiles por casualidad, los núcleos de ...
Explanation:
Based on what you know about the autonomic nervous system, explain why prolonged stress can cause functional dyspepsia (a form of indigestion) but reducing stress can help promote proper digestion. Refer to the divisions of the autonomic nervous system in your answer
Plz on ur words thnx I will give u Brainliest
Answers
Answer:
Explanation:
When u have exposure to stress, stress can be a major risk factor for various diseases. i found a study that states how stress is involved where it implies that the brain and gut are linked in a way that the brain can affect the gut as if you are having lets say butterfly's in your stomach, Mood alteration or mood change is also a sign of stress aswell. I also found in a paragraph that one way that can lead to better digestion is regular stress management like: Exercising regularly, going outside, setting up a profitabble sleep schedule, less time with electronics, or trying meditation or other forms of relaxation at bedtim or throughout the day.Reducing stress can lower inflammation in the gut, ease GI distress, and keep you nourished, since your body can focus on absorbing the nutrients you need.
This substance is found between the vertebral bones (the vertebrae.)
1.) Cartilage
2.) Epicondyle
3.) Bone
4.) Epidermis
Answers
Answer:
i think b is the right answer
Explanation:
thanks for question
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ATP transfers energy to cell processes through all EXCEPT Choose one: A. hydrolysis releasing of phosphate. B. phosphorylation of organic molecules.
Answers
ATP can energize cellular operations by transmitting a chromophore to another molecule through the phosphatase of molecules called phosphorylation.
What is ATP-dependent phosphorylation?By means of chemiosmosis, oxidative phosphorylation generates ATP using energy from the electrons that travel in an electronic transport system. Only one ion (Hydrogen ion) and one electron are present in a hydrogen atom. Potential energy, or stored energy, is available to do work in electrons.
Does ATP have a role in phosphorylation?Both aerobic and anaerobic respiration involve the generation of phosphocreatine (ATP), the "rising" exchange channel in the cell. Phosphorylation is crucial to these processes.
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A pond contains many different types of organisms. The table below lists some of these organisms and their methods of reproduction
Answers
The organism that would most likely survive the change in their environment is Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction. The correct option is A.
What is genetic variation?Genetic diversity enables an organism to evolve in a way that permits it to adapt to the current or changing environment. Since a Pantala flavescens reproduces sexually, it is the only organism in the group that has the capacity to genetically evolve and adapt to its environment.
All of the remaining creatures reproduce asexually, which results in a lack of internal variation and makes it difficult for them to adapt to changing environmental conditions.
Therefore, the correct option is A, Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.
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The question is incomplete. Your most probably complete question is given below:
The pond slowly becomes more acidic due to the release of chemicals from a nearby factory. Which of the organisms would most likely
survive the change to their environment?
A.
Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction
B.Hydra oligactis, because these organisms would have a low level of genetic variation due to sexual reproduction
c. Naegleria fowleri, because these organisms would have a high level of genetic variation due to asexual reproduction
D.Spirodela polyrhiza, because these organisms would have a low level of genetic variation due to asexual reproduction
soil sample is 25 percent sand, 55 percent clay, and 20 percent silt. Use the following soil texture triangle to determine the type of soil present in this sample.
Clay
Silty loam
Sandy clay
Sandy clay loam
Answers
According to the information we can infer that the type of soil present in the sample is clay.
What is the type of soul in the sample?To identify the type of soil in the sample we have to analyze the graph. In this case we have to consider the percentage of each element (sand, clay and silt). We have to look for the point where the three elements meet and identify the region in which that point is located.
According to the above we can conclude that the correct area is clay. So the correct answer is A. Clay.
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If a plant is grown in the absence of gravity, which type of phototropism will its roots exhibit, and where will auxin accumulate?.
Answers
Explain thoroughly how hurricanes lead to deforestation?
Answers
A hurricane is a tropical storm with winds that have reached a constant speed of 74 miles per hour or more. High winds that oust trees and massive rains that flooding are the main ways that hurricane destruct a forest. The storm surge that follow hurricanes can create further flooding and immerse freshwater habitats, accumulating salt and debris inland from the coast. The long-term aftermath of an elevated salt levels in soil can cause deferred mortality of several tree species, forest deterioration and eventually dieback. The biggest clear and actual effect of hurricane is on timber and the economic value it represents. The lifelong effect of hurricanes may agitate some of the other ecosystem services that the forest convey such as water purification and carbon storage. Carbon storage is esential to alleviate the effects of climate change.
To be a possible answer to a scientific question a hypothesis must be ?
Answers
Answer:
A hypothesis is a scientific guess.
Explanation:
So a scientific question, is something either related to your hypothesis or the experiment you are doing. (Hope this somewhat helps!)
why were cells from the meristematic region of the root tip chosen for examination? would an equivalent region in animal cells be studied and if so what would t be?
Answers
Cells from the meristematic region of the root tip are chosen for examination because the most desirable and appropriate raw material to investigate the various stages of mitosis is provided by the meristematic cells that are located at the tip of the roots. No, an equivalent region in animal cells can not be studied.
A plant's root tip contains cells that are actively dividing, making it a great place to observe mitosis. A cell wall encloses every plant cell, making cell identification simple. Additionally, the cells close to the root tip are well-organized into concentric layers, which makes it simple to observe and count them.
Meristematic tissues are not present in animals. As a result, once an animal reaches adulthood, the growth phase becomes static. However, our bodies continue to divide cells to replace harmed and worn-out cells in particular body areas. For instance, the continued growth of hair and nails indicates epidermal cell division.
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Because of base pairing in DNA, the percentage of
Answers
Answer:
Since certain bases always appear in pairs, they will have equal percentages of the DNA composition. The percentage of adenine will equal the percentage of thymine, and the percentage of cytosine will equal the percentage of guanine. Together, these percentages will add to 100%.
Explanation:
The percentage of Adenine is always equal to the Thymine because of base pairing.
Complementary Rule:
It say that the percentage of Adenine is always equal to the Thymine and percentage of Cytosine is always equal to the percentage of Guanine.
Thus the total percentage of Purine and pyrimidine is 100%.
Therefore, the percentage of Adenine is always equal to the Thymine because of base pairing.
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What can you say about the environments of these widely seperated layers
Answers
Answer:
This means that the two separate rocks were once part of one piece of rock. These layers got separated most probably by continental drift as a result of tectonic plate movements. An example of such a fossil is the Mesosaurus, a freshwater crocodile-like reptile, that is found in Southern Africa and Eastern South America continents- that means they were once one land mass.
The environment in these two separate layers would most likely be different. As the layers drift apart from each other , they drift across latitudes that are determinants of climate in a region. Therefore, even the organisms in these two rock layers will evolve differently (even though they will share a common ancestor) in adaptation to respective environments – this is called allopatric speciation.
What were the stimuli that caused the sensors to determine your body moved away from
the set point?
Answers
Answer:
Body temperature
Explanation:
When it get either too hot or too cold, body temperature changes and regulated by negative feedback. The stimulus is when body temperature increases or decreases from 37 degrees Celsius and the sensors sends stimulus to skin and the hypothalamus in brain referring that your temperature has strayed from its set point.
Hence, the correct answer is "Body temperature".
what is structure g called?
Answers
What kind of RNA could have the same effect as the methylation?A. rRNAB. tRNAC. mRNAD. siRNA
Answers
siRNA has the same effect as methylation in gene regulation.
RNA molecules play a crucial role in regulating gene expression in cells. RNA can have similar effects as the DNA methylation, which is a common way to regulate gene expression by modifying the DNA molecule. Out of the four types of RNA, small interfering RNA (siRNA) could have the same effect as methylation.
siRNA is involved in the process of RNA interference, which is a mechanism for controlling gene expression at the post-transcriptional level. By binding to specific messenger RNA (mRNA) molecules, siRNA can block their translation into proteins, thus effectively reducing the expression of the targeted gene.
In conclusion, while ribosomal RNA (rRNA), transfer RNA (tRNA), and messenger RNA (mRNA) all play important roles in the expression and regulation of genes, it is siRNA that is most similar in effect to DNA methylation.
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in nucleosome structure the histone ___aids in stabilizing the wrapping of dna around the protein octomer. group of answer choices h3 h2a h1 h2b h4
Answers
In nucleosome structure the histone H1 aids in stabilizing the wrapping of dna around the protein octomer.
The nucleosome is the basic unit of chromatin, consisting of DNA wrapped around a core of histone proteins. The core histone octamer is composed of two copies each of histones H2A, H2B, H3, and H4. These core histones form a protein complex around which the DNA is wrapped.
Histone H1, also known as the linker histone, is an additional histone protein that binds to the DNA between nucleosomes, helping to stabilize the structure. It interacts with both the DNA and the core histones, promoting higher-order chromatin folding and compaction.
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A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
Answers
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
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