Between each presynaptic and postsynaptic neuron is a Synaptic cleft that is the fluid-filled space between them. Each presynaptic neuron releases a Neurotransmitter that binds with receptors in the Postsynaptic segment of a postsynaptic neuron.
The gap between the pre-and postsynaptic cells, also known as the synaptic cleft or synaptic gap, is around 20 nm (0.02 ) broad. Rapid changes in neurotransmitter concentration are made possible by the cleft's tiny volume. The primary purpose of the synaptic cleft is to create a place for the chemical transfer of nervous system information. These signals can also be regulated thanks to the synaptic cleft.
A postsynaptic neuron sends signals away from the synapse, whereas a presynaptic neuron sends signals toward a synapse. The synapse, a juncture where the terminal part of the axon contacts another neuron, is where information is transmitted from one neuron to another.
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type of transport where potassium levels remain _ (higher/lower) inside than out, while sodium levels remain _ (higher/lower) outside than in.
PLS HELP
Active transport where potassium levels remain (higher/lower) inside than out, while sodium levels remain (higher/lower) outside than in.
Where does the body use active transport?Small intestine
In humans, the ileum is where food is digested during the active transit process (small intestine). After some time has passed after food has been absorbed by the villi, the concentration of food molecules increases, at which point no more food can diffuse in.
High concentrations of substances the cell needs, like ions, glucose, and amino acids, are typically accumulated during active transport. Active transport examples include the uptake of glucose in human intestines and the uptake of mineral ions into plant root hair cells.
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Salivary amylase is an enzyme that begins breaking down carbohydrates while the food is still in the mouth. Once the food passes into the stomach, what happens to the salivary amylase?.
The salivary amylase does not function once it reaches the stomach after the good from mouth is passed to it.
Salivary amylase is an enzyme that breaks down carbohydrates right in the mouth. When it is passed to the stomach, the acidic ph of stomach denatures this enzymes and causes it to change it's shape. Consequently, the enzyme stops functioning.
Like most other enzymes, salivary amylase is a protein. At a pH between 6.5 and 7.0, it operates most effectively. More acidic or basic environments result in altered protein folding, which reduces the enzyme activity of the molecule.
The stomach's pH is typically between 1.0 and 2.0, which is very acidic. Salivary amylase's protein structure denatures and changes form at this pH level. As a result, when salivary amylase reaches the stomach, it is inactive.
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Which region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks?.
According to the research, the correct answer is amygdala. The region of the brain that is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks is called amygdala.
What is amygdala?It is a nervous center made up of several nuclei, located at the pole of the temporal lobe and intervenes in the emotional component of behavior and in memory.
In this sense, this element participates in the regulation of emotions that are related to aggression, changes in moods and behaviors and is found that the larger this small brain structure, the more varied and complex the person's social networks.
Therefore, we can conclude that the amygdala is a brain structure that responds to certain environmental stimuli by processing emotional reactions.
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The sensory system that controls and monitors the positions of various parts of the body is called the __________ system. a. gustatory b. olfactory c. kinesthetic d. vestibular please select the best answer from the choices provided a b c d
The sensory system that controls and monitors the positions of various parts of the body is called the c. kinesthetic system.
In the field of biology, we can define a kinesthetic system as a kind of system that lets the body of a person be aware of the movements and positioning of the body. Through the kinesthetic system, an individual becomes aware of the movements that are undergoing in any part of his body.
In the kinesthetic system, any kind of movement or positioning shown by the muscles as well as the joints are controlled and monitored. The kinesthetic system is a part of the sensory system.
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White blood cells protect against
and aid in blood clotting when injuries are sustained.
Answer:
yes
Explanation:
I don't know the explanation clearly but it's definitely a yes
Answer:
True statement
Explanation:
if you are taking measurements from the open ocean and suddenly find an area in which the water temperature is unusually cool and there is unusually abundant plankton then you have probably found a(n) zone.
If you are taking measurements from the given ocean conditions and there is unusually abundant plankton then you have probably found a(n)upwelling zone.
The majority of plankton species are minuscule and frequently less than an inch long, but they also include some larger species like certain crabs and jellyfish. Plankton is divided into different groups by scientists based on their size, kind, and amount of time spent drifting. All ocean ecosystems contain marine plankton, which is essential for preserving the harmony and health of the ocean and its intricate food webs.
Both the food we eat and the air we breathe are supported by the oxygen, nutrients, and biomass plankton create. An oceanographic phenomenon known as upwelling involves the movement of dense, colder, and frequently nutrient-rich water from deep water to the ocean's surface, propelled by the wind. It takes the place of the typically nutrient-poor, warmer surface water.
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The hydrogen bonding of water molecules results in water molecules having a higher?
Answer:
Boiling point
Explanation:
Answer:
Boiling Point
Explanation:
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according to the graph what condition is best for enzyme activity?
According to the graph 40 Celsius degrees is the better condition for enzyme activity because it increases the rate of reaction.
What is the rate of reaction?The rate of reaction refers to the conditions in which an enzyme is working in order to convert given reactants into one or more products of such chemical reaction. This rate is very variable depending on the intrinsic properties of the enzyme and environmental factors that alter its activity.
In the image, we can observe that the enzyme has differential rates of reaction depending on the temperature.
Therefore, we can conclude that the rate of reaction of an enzyme largely depends on the condition in which the enzyme works such as in this case the temperature factor.
The question is incomplete because the figure is missing, but please find attached below the figure indicating enzyme activity conditions.
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15. Choose two objects of different weights that can be thrown into the air. The objects are
thrown with the same amount of force. Determine which object has more kinetic
energy and explain why.
Now suppose both objects are to be rolled down a slide. What could affect the kinetic
energy so that the other object now has more force? Explain your reasoning.
The object which is having greater mass will have greater KE if gravity is neglected. Cause kinetic Energy is directly proportional to the mass of the object.
Rolling down the slideNow on rolling down the slide the one which is rolled from a greater height will have greater potential energy will eventually have greater kinetic energy.
The energy that an object has as a result of its ongoing motion is known as kinetic energy in terms of physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity.
The body holds onto the kinetic energy that it acquires during this acceleration until and unless its speed changes. Kinetic energy has the following formula: K.E. = ½ m v2, where m is the object’s mass and v are its square velocity.
Measure of Kinetic EnergyThe kinetic energy that is measured in kilograms-meters then squared per second squared if this mass is then measured in kilograms and the velocity is then measured in meters per second.
When potential energy is released, among other catalysts such as elastic forces or gravity, kinetic energy is produced.
Motion is created by kinetic energy. The kinetic energy of an object increases as force is applied to it and it accelerates.
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what is a explanation to the benefit to biodiversity and medicine?
The benefits of biodiversity and medicine includes:
Biodiversity helps fight diseases. Biodiversity ensures health and food securityBiodiversity provides sources of livelihoodsBiodiversity makes the earth habitableWhat is biodiversity?Biodiversity also known as biological diversity is the variety and variability of life on Earth. It is a measure of variation at the genetic, species, and ecosystem level. Biodiversity refers to the huge variety of all organisms present on the Earth, which conform to the natural world.
Biodiversity in the ecosystems provide solutions that are nature-based that protects us from natural disasters such as floods and storms, filter our water and regenerate our soils.
Higher rates of biodiversity have been linked to an increase in human health. Most plants are used in the manufacturing and production of drugs.
Biodiversity helps in promoting global nutrition and food security. Millions of plants and animal species work together to provide us with a large array of fruits, vegetables and animal products essential to a healthy, balanced die.
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In ______, two dna double helices are synthesized from one dna double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
In DNA replication, two DNA double helices are synthesized from one DNA double helix molecule when it unwinds and complementary nucleotides are added to the exposed unpaired bases.
What is DNA replication ?A double-stranded DNA molecule is duplicated to create two identical DNA molecules through the process of DNA replication. Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
The fundamental mechanism of DNA replication is similar across all species, making it a crucial operation.
Prokaryotic cells' cytoplasm and eukaryotic cells' nuclei are where DNA replication takes place. The fundamental steps of DNA replication are the same wherever it takes place. DNA replication is made simple by the DNA structure. The double helix has two opposing (anti-parallel) directions running through it.
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suppose a biologist wants to measure the repirtory rate of yeast cells fed varying concentrations of glucose. she sets up five beakers and in each puts 3g
Respiratory rate on the Y axis and Mass of sugar on the X axis
In the presence of oxygen, yeasts consume glucose to release energy; as glucose has a greater rate of respiration, more glucose causes yeasts to respire more quickly. This cellular respiration generates water, energy, and carbon dioxide.
Yeast will produce more carbon dioxide at higher temperatures, which will result in more bubbles developing. The rate of respiration will decrease whenever the temperature rises above a particular level.
In a test, Sarah discovered that using glucose as a substrate, 1 g of yeast produced 20 cm 3 of carbon dioxide in three minutes.
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Read the passage from William Jennings Bryan's "Cross of Gold" speech.
Determine which two highlighted sentences would best support Bryan's claim that cities need farms more than farms need cities.
URGENT!!!HURRRY!!!!!!PLEASE!!!Will mark you Brainlest!!!!
"There are two ideas of government. There are those who believe that if you just legislate to make the well-to-do prosperous, that their prosperity will leak through on those below. The Democratic idea has been that if you legislate to make the masses prosperous their prosperity will find its way up and through every class that rests upon it. You come to us and tell us that the great cities are in favor of the gold standard. I tell you that the great cities rest upon these broad and fertile prairies. Burn down your cities and leave our farms, and your cities will spring up again as if by magic. But destroy our farms and the grass will grow in the streets of every city in the country."
The sentences that shows that the cities needs the farms more than the farms need the cities would be:
great cities rest upon these broad and fertile prairies.destroy our farms and the grass will grow in the streets of every city in the country.What was the cross of gold speech?The cross of gold speech can be defined as the speech that was made by William Bryan as he intended to be able to get the speech to serve him two purposes.
First he was in agreement of having silver to be a part of the economy of the United States just as silver was also used at the time.
Also he wanted the speech to be able to get him the nomination as the president from the democratic party.
In the speech we can see the two points that he made on farming. He said that the great cities of the nations relied on the fertile prairie lands and if the people should burn the farms they would have grasses growing on all parts of the cities in the nation.
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30 POINTSSSSS !!!!!!!!!! NEEEED HELPPP what is a organism (NOT A PLANT) that uses chemosynthesis, photosynthesis, and cellular respiration??
Answer:
Bacteria and Fungi uses the above.
Answer:
Bacteria and fungi.
Explanation:
Which of the following best describes the structure of a protein molecule?
Proteins are organic polymers made up of amino acids. Amino acids linked by peptide bonds form a polypeptide chain. One or more polypeptide chains are straight twisted into a three-dimensional shape to form a protein that best describes the shape of the protein molecule.
Proteins are located throughout the body: muscles, bones, skin, hair, and of course every single element or tissue of the body. It is part of many chemical reactions and enzymes that cause hemoglobin to contain oxygen in the blood. At least 10,000 unique proteins make and keep you where you are. Consuming high-protein ingredients has many health benefits, including faster recovery and/or harm after exercise. reduced muscle loss. Build muscle mass.
Proteins are the building blocks of muscle tissue. So, getting enough protein will help maintain muscle groups and promote muscle growth during electrical exercise. Severe protein deficiency can lead to edema, fatty liver, skin degeneration, increased severity of infections, and stunted growth in children.
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Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. What is the most basic need in order for the human body to make proteins?.
The most basic need in order for the human body to make proteins is the amino acids.
Proteins are very essential for the human body and its most essential and defining characteristic from a nutritional standpoint is its amino acid composition.
What are amino acids?
These are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids, which comprise proteins.
Amino acids are made by the in two different ways: either from scratch or by modifying others.
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NEED HELP ASAP PLEASE!
4. What determines the structure of the catalase molecule?
Answer:
The catalase reaction is dependent on the substrate concentration. If you have an excess of enzyme but not enough substrate, the reaction will be limited by the substrate availability.
The activity of catalase enzymes determines the structure of catalase molecules. This is because it has two enzymatic activities and depending on the concentration of hydrogen peroxide, it has to change its structure.
What is the function of the catalase enzyme?The function of the catalase enzyme is to accomplish neutralization through the process of decomposition of hydrogen peroxide. Due to this, the optimum level of molecules is maintained within the cell.
Catalase enzyme is the key enzyme that is tetrameric in nature and consists of four identical subunits. Each of them contains a heme group and NADPH.
The reaction of catalase significantly depends on the concentration of substrate. For example, if catalase is treated with the excess of the enzyme but not enough substrate, the reaction will be limited by substrate availability.
Therefore, the determination of the structure of the catalase molecule is well described above.
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How would these cells appear under a microscope at a higher magnification? What
parts of the cells would be visible?
This transmission electron micrograph clearly shows the cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.
How do you magnify cells to view them more clearly?Once you can see the cells, carefully turn the coarse focus slider. Once the cells are in focus and are clearly visible, carefully turn the fine focus knob. To see the cells in greater detail, repeat steps 1 through 5 with the higher power magnification.
So, to study cells, scientists utilize microscopes. Compared to light, electron microscopes offer greater magnification, more resolution, and more detail.
Under a light microscope, the nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall can all be seen as organelles. Although mitochondria can still be seen under a light microscope, extensive investigation is not possible.
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Explain how animal poisons work on the cell membrane.
Animal poisons work on the cell membrane by causing reaction with it which damages the structure of the cell membrane.
What actions of the poisons occur on the membrane?The structures of poisons are not similar to those chemicals that are essential to cells. Very few poisons are absorbed by active transport when a toxic level of the chemical is collected in the cells of the specific tissue or organ, which results in the disrupts of the cell from its normal structure or function. Symptoms of poisonous chemicals then develop, and, if the toxicity is severe , death may occur. Diffusion, facilitated diffusion, active transport are the types of chemical transport systems through cell membranes. Lipophilic is a nonpolar chemicals that dissolve in the lipid bilayer.
So we can conclude that animal poisons are neurotoxic that cause actions on the cell membrane.
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If you burn dead matter would energy storage molecules increase?
If you burn dead matter, the overall energy of the storage molecules would decrease because it breaks chemical bonds that contain potential energy.
What is chemical energy?Chemical energy is a type of potential energy stored in the chemical bonds that form molecules. Burning has the ability to break chemical bonds, thereby relating energy and also decreasing the potential energy stored by the storage molecules.
Therefore, we can conclude that chemical energy is a type of energy stored in the bonds of compounds, which is released by burning and therefore it decreases the energy.
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How is it possible that the reactants and products for both chemical equations have the same quality of carbon, hydrogen, and oxygen atoms, yet the reactants and products are different molecules?
Answer: in a chemical reaction, the products and reactants will still have the same matter, just in a different form. The reason there is a reaction in the first place is the molecules are rearranged, but the matter that makes them up does not change.
Explanation:
what is the sepific gravity of 38 grams
Answer:
answer is 372.81
Explanation:
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How many sugar molecules does DNA and Nucleotide have?
Supporting questions: "How do scientific and mathematical innovations from the
Renaissance impact modern day? " Think about what you already know about to answer the Supporting Question. Write about any connections you have made (text to self, text to text, text to world). Why do you think it is important to learn about this concept?
In your own words
Renaissance impact the modern day and modern science as it followed astronomy to the peak value.
What is Renaissance and how it impacted modern science?The main invention during Renaissance was microscope and telescope which helps millions over the globe.Telescope invention led to the inovation of lot of different kind of glasses and lenses.During Renaissance was a great discovery in cosmology and astronomy and till now have not been such kind of invention.The printing press, and many more like firearms are few of inventions influenced by Renaissance period.To know more about Renaissance visit:
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Which model supports the idea that, as matter flows between systems,
elements are recombined in different ways?
The model supports the idea that as matter flows between systems,
elements are recombined in different ways is the Matter Cycle Model
The Matter Cycle ModelThis model explains that matter cycles through the environment in a continual cycle, with elements being reused and recombined in different ways. This cycle includes the processes of photosynthesis, respiration, decomposition, and remineralization.
The continual movement of matter from one location to another can have either good or harmful effects. Both naturally and as a result of human activity, matter cycles.
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Forty years ago, rainforests once covered over 14% of the Earth’s land surface and now cover a mere 6%. Some sources state that every second we lose over an acre of this precious land containing nearly half the world’s species of plants, animals, and microorganisms to deforestation. One reason for the deforestation of rainforests has been to attain land for the purpose of agriculture. Humans have destroyed a vast diversity of species for the sake of growing eight basic grains. Growing only one type of species in a large area of land is known as a monoculture. Which of the following would not be a harmful side effect of monocultures? * 1 point extinction of native plant and animal species disease may lead to the elimination of the entire crop an increase in sulphur dioxide emissions leading to acid deposition loss of possible cures to diseases
An increase in sulfur dioxide emissions leading to acid deposition is not an example of monoculture.
What are the harmful effects of monoculture?In the field of agriculture, monoculture is the practice of growing one crop on the land at one time. Monoculture is used in intensive as well as organic farming. Raising a single crop has a big disadvantage as it increases the risk of disease and pest infestation because monocultures have no plant and animal species that prevent the spread of disease as well as control pests through predation. In a monoculture system, farmers can spend less time on their lands and get higher productivity. Planting monoculture fields also allows farmers to buy seeds, fertilizers, and pesticides in large amount because it is needed in large amount. During monoculture, no increase occurs in sulfur dioxide emissions in the atmosphere.
So we can conclude that an increase in sulfur dioxide emissions leading to acid deposition would not be a harmful side effect of monocultures.
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what projection represent the true shapes and sizes of land areas
Answer:
Robinson projection
Explanation:
Robinson’s map is more accurate than a Mercator projection. The shapes and sizes of continents are closer to true. Robinson's map is best within 45° of the equator. Distances along the equator and the lines parallel to it are true. However, the scales along each line of latitude are different. In 1988, the National Geographic Society began to use Robinson’s projection for its world maps.
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Post-Lab Analysis:
Research the pathway of how oxygen is taken from the atmosphere to how it is used by our muscle tissue.
Double click on the text box below. Correctly arrange the steps of the pathway by arranging the boxes from top to button.
Red blood cells carry oxygen to the muscle tissues of the body (cells)
Oxygen in the circulatory system (blood) attaches to the hemoglobin molecule on red blood-cells
The muscle tissues use the ATP molecule to function properly
Oxygen diffuses across the cell membrane of the cell
Inhaled oxygen travels through the respiratory system to the lungs
The oxygen in the lungs diffuses to the circulatory system (blood)
Oxygen in the air is inhaled by the respiratory system (nose and mouth)
Oxygen inside the muscle cell is used by the mitochondria to produce the energy molecule adenosine triphosphate (ATP).
Answer:
Oxygen in the air is inhaled by the respiratory system (nose and mouth)Inhaled oxygen travels through the respiratory system to the lungsThe oxygen in the lungs diffuses to the circulatory system (blood)Oxygen in the circulatory system (blood) attaches to the hemoglobin molecule on red blood-cellsRed blood cells carry oxygen to the muscle tissues of the body (cells)Oxygen diffuses across the cell membrane of the cellOxygen inside the muscle cell is used by the mitochondria to produce the energy molecule adenosine triphosphate (ATP).The muscle tissues use the ATP molecule to function properlyHow do dying stars contribute to the formation of new stars?
A.
The light elements they expel form new nebulae.
B.
Their core is absorbed by neighboring nebulae.
C.
Their radiation facilitates nuclear fusion in young stars.
D.
They transform into a gravitational field that attracts hydrogen.
What are 3 ways that hurricanes affect the carbon cycle?
Explanation:
Hurricanes cause severe impacts on the ecosystem, which substantially affects the carbon cycle at the local or regional scale .The analys is showed that the amount of precipitation is not the only drving factor causing increased carbon emission; the characteristics of the drainage area also affect the carbon cycle and emission.By stimulating these phytoplankton blooms , hurricanes can affect the ecology of the upper ocean . This is the answer .