the ion responsible for propagation of the ap across the synapse is
Answers
The ion responsible for the propagation of the action potential (AP) across the synapse is the calcium ion (Ca2+). In a neuron, the AP is an electrical signal that travels along the axon towards the synapse, which is the junction between two neurons.
The propagation of the AP involves the opening and closing of voltage-gated ion channels, allowing for the flow of sodium (Na+) and potassium (K+) ions across the neuron's membrane, resulting in a change in the membrane potential.
When the AP reaches the synaptic terminal, it causes the opening of voltage-gated calcium channels, allowing calcium ions (Ca2+) to enter the neuron. The influx of calcium ions into the synaptic terminal triggers the release of neurotransmitters, which are stored in vesicles.
The neurotransmitters are then released into the synaptic cleft, the small gap between the pre-and post-synaptic neurons. The released neurotransmitters bind to specific receptors on the post-synaptic neuron's membrane, causing ion channels to open and allowing the flow of specific ions, such as sodium or potassium, into or out of the post-synaptic neuron.
This creates a new electrical signal, known as the post-synaptic potential, which can either excite or inhibit the post-synaptic neuron. If the post-synaptic potential reaches a certain threshold, it can generate a new action potential in the post-synaptic neuron, allowing for the propagation of the signal across the synapse and the continuation of neural communication.
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Related Questions
1.
__________ are the most organized state of matter.
Solids
Liquids
Gases
2.
States of matter change when ________ is added or removed.
Plasma
Energy
3.
Which state of matter has the most movement of its particles?
Solid
Liquid
Gas
Answers
2. Energy. Adding in energy makes the particles of a substance vibrate faster, breaking the forces of attraction between them and removing energy makes the particles vibrate slower and forces of attraction forms between the particles.
3. Gas. The forces of attraction between the particles of a gas are very weak. The particles randomly and quickly move around in all directions.
Solids are the most organized state of matter. States of matter change when energy is added or removed. Gas is the state of matter has the most movement of its particles.
What are the states of matter?The states of matter are the different forms of the matter in which it can exist. They are solids, liquids and gases. Solids are the states of matter in which molecules are very near to each other. They have fixed shape and volume. Liquids is the states of matter in which molecules are a little far from each other. They have different shape and fixed volume. Gas is the states of matter in which molecules are a very far from each other. They have different shape and different volume.
There are two more states of matter which are called as Plasma, Bose Einstein Condensate.
Plasma have highest energy and Bose Einstein Condensate have lowest energy.
Therefore, Solids are the most organized state of matter. States of matter change when energy is added or removed. Gas is the state of matter has the most movement of its particles.
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what regulates the flow of chilled water through the cooling coil
Answers
The flow of chilled water through the cooling coil is regulated by a control valve.
In HVAC systems, the flow of chilled water through the cooling coil is regulated by a device called a control valve. The control valve is responsible for adjusting the flow rate of chilled water based on the cooling demand of the system. It ensures that the right amount of chilled water is supplied to the cooling coil to maintain the desired temperature in the conditioned space.
The control valve is typically controlled by a building automation system or a thermostat. These devices monitor the temperature in the conditioned space and send signals to the control valve to open or close. When the temperature rises above the set point, the control valve opens to allow more chilled water to flow through the cooling coil, cooling the air. Conversely, when the temperature falls below the set point, the control valve closes to reduce the flow of chilled water.
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The flow of chilled water through the cooling coil is regulated by a control valve. This valve adjusts the flow rate based on the cooling needs of the system.
A thermostat or temperature sensor provides signals to the control valve, which opens or closes accordingly.
When the temperature exceeds the desired setpoint, the control valve opens, allowing more chilled water to pass through the cooling coil.
This increases cooling capacity and lowers the air or space temperature.
Conversely, the control valve closes when the temperature reaches or falls below the set point, reducing chilled water flow.
The control valve ensures precise temperature control and efficient cooling operation in the system.
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you perform an electrochemical reaction in which 0.600 mol of cu are reduced to solid cu . how many coulombs of charge are transferred?
Answers
Therefore, the electrochemical reaction that reduces 0.600 mol of Cu to solid Cu transfers 57,891 coulombs of charge.
To determine the number of coulombs of charge transferred during an electrochemical reaction, we need to use Faraday's constant. Faraday's constant is the amount of electric charge carried by one mole of electrons. The value of Faraday's constant is 96,485 coulombs per mole of electrons.
Given that 0.600 mol of Cu is reduced to solid Cu, we know that one mole of electrons is transferred during the reaction. Therefore, the total charge transferred can be calculated by multiplying the number of moles of electrons by Faraday's constant:
0.600 mol x 96,485 coulombs/mol = 57,891 coulombs
Therefore, the electrochemical reaction that reduces 0.600 mol of Cu to solid Cu transfers 57,891 coulombs of charge.
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Carbon cycle – What are the main reservoirs
of the carbon cycle? Where do the inorganic and organic carbon
cycles interact? What are the major differences and similarities
between the inorganic and organic carbon?
Answers
The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.
The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.
Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.
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In a gas, properties such as density and temperature will affect the speed of a wave. For instance, particles in dense, cold air will move a lot slower than particles in hot air. options: True False
Answers
Answer:true
I hope this helped! if you need explanation just ask.
Where do most fungi thrive?
Answers
Question :
Where do most fungi thrive ?
Answer :
Fungi are found all around the world and grow in a wide range of habitats, including deserts. Most grow on land (terrestrial) environments, but several species live only in aquatic habitats. Most fungi live in either soil or dead matter, and many are symbionts of plants, animals, or other fungi.
Source :
CK-12 , Edgenuity2020
True or false. The greater the distance that the plane moves from an object, the lower the force that will be applied when the action is taken.
Answers
Answer:
I think its false-
Explanation:
Answer:
I think it is true i am not sure
When a car uses a gallon of gas, how much carbon dioxide is emitted into the environment? I give branlyest
Answers
Answer:
19.5
Please tell me if wrong.
When a car uses a gallon of gas, 22.0 miles per gallon of carbon dioxide is emitted into the environment.
What happens when carbon dioxide is emitted?After being released into the atmosphere, carbon dioxide (CO₂) is initially quickly dispersed among the atmosphere, the upper ocean, and plants.
The sources of carbon dioxide emissions include both natural and human activities. Decomposition, oceanic discharge, and respiration are examples of natural sources.
The annual carbon dioxide emissions from a typical passenger automobile are around 4.6 metric tonnes. This estimates that the typical gasoline car on the road today gets roughly 22.0 miles per gallon of fuel and travels about 11,500 miles annually.
Thus, 22.0 miles per gallon of carbon dioxide is emitted into the environment.
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Table 1: Color Change of Sodium Bicarbonate Solution With and Without Buffer Beaker Starting Color Final Color Time to Change to Final Color 1 Slightly orange Fuchsia 10 seconds 2 pink pink No change Was the time required to change the solution color different for the two beakers? Why or why not? Yes, the time required to change color was different in both beakers. This was because in beaker 1 the Co2 content was increasing at a faster rate which is why the color changed from orange to pink. In beaker 2 the CO2 concentration is very low due to which even after a point of time the final color didn't change 2 How might increasing the amount of sodium bicarbonate buffer affect the results of the experiment? I
Answers
Increasing the amount of sodium bicarbonate buffer in the experiment may affect the results in several ways.
Buffer solutions are used to maintain a stable pH level, which is important in many chemical reactions. In this experiment, the buffer may help to maintain a constant pH level, which could affect the rate of the color change. If the buffer is added in excess, it may affect the concentration of the CO2 in the solution, which would change the rate of the reaction and therefore the time required for the color change.
Furthermore, increasing the amount of buffer may also affect the solubility of the sodium bicarbonate, as well as the rate of its decomposition. It is possible that the buffer may slow down the rate of the decomposition, which could cause a delay in the color change. Alternatively, it may speed up the decomposition, leading to a faster color change.
Overall, the effect of increasing the amount of sodium bicarbonate buffer on the results of the experiment would depend on the specific conditions of the experiment and the properties of the buffer itself. Careful consideration and experimentation would be necessary to determine the optimal amount of buffer to use for this particular experiment.
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What is the missing (?) in the chemical equation for cellular respiration? glucose + oxygen --> water + ? + atp.
Answers
The complete balanced chemical equation for cellular respiration is as follow:
Glucose(C₆H₁₂0₆) + 6O₂ --> 6H₂O+ 6CO₂ + ATP.
The process through which cells break down molecules for getting energy is known as cellular respiration. The cells use the oxygen present in air to accomplish this process and produces CO₂ exhale in the atmosphere. Basically, during process of cellular respiration, Carbon dioxide is created when the oxygen present in body and the glucose present in food are combined together converted in to carbon dioxide, water and strongly powered reaction releases energy in the form of ATP molecules. Ion transport, muscular contraction, nerve impulse transmission, substrate phosphorylation, and chemical synthesis are just a few of the processes that use ATP as an energy source.
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what is the molarity of kmno4 in a solution of 0.0897 g of kmno4 in 0.450 l of solution?
Answers
The molarity of KMnO4 in the given solution is approximately 0.00126 M. Molarity is a measure of the concentration of a solute in a solution. It represents the number of moles of the solute present per liter of the solution.
To determine the molarity of KMnO4 in the given solution, we need to first calculate the number of moles of KMnO4 using its mass and molar mass, and then divide it by the volume of the solution.
The molar mass of KMnO4 can be calculated as follows:
(1 × atomic mass of potassium) + (1 × atomic mass of manganese) + (4 × atomic mass of oxygen)
= (1 × 39.10 g/mol) + (1 × 54.94 g/mol) + (4 × 16.00 g/mol)
= 39.10 g/mol + 54.94 g/mol + 64.00 g/mol
= 158.04 g/mol
Now, let's calculate the number of moles of KMnO4:
Number of moles = Mass / Molar mass
Number of moles = 0.0897 g / 158.04 g/mol
Number of moles ≈ 0.000567 mol
Next, we need to calculate the molarity using the number of moles and the volume of the solution:
Molarity (M) = Number of moles / Volume (in liters)
Molarity = 0.000567 mol / 0.450 L
Molarity ≈ 0.00126 M
In this case, the molarity tells us the concentration of KMnO4 in moles per liter.
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Calculate the number of moles of each element in 1. 25 mol glucose (C6H12O6)
Answers
In 1.25 mol glucose (C6H12O6), there are 7.5 mol carbon, 15 mol hydrogen, and 7.5 mol oxygen. Calculating the number of moles of each element in 1.25 mol glucose (C6H12O6).
We need to consider the subscripts in the chemical formula. The subscripts indicate the number of atoms of each element in one molecule of glucose.
In glucose (C6H12O6), there are 6 carbon atoms (C), 12 hydrogen atoms (H), and 6 oxygen atoms (O).
To find the number of moles of each element, we can multiply the number of moles of glucose (1.25 mol) by the ratio of atoms of each element to the number of atoms of glucose in one molecule.
The ratio of carbon atoms to glucose molecules is 6:1, so we can multiply 1.25 mol by 6 to find the number of moles of carbon: 1.25 mol x 6 = 7.5 mol carbon.
Similarly, the ratio of hydrogen atoms to glucose molecules is 12:1, so we can multiply 1.25 mol by 12 to find the number of moles of hydrogen: 1.25 mol x 12 = 15 mol hydrogen.
The ratio of oxygen atoms to glucose molecules is 6:1, so we can multiply 1.25 mol by 6 to find the number of moles of oxygen: 1.25 mol x 6 = 7.5 mol oxygen.
To calculate the number of moles of each element, we use the subscripts in the chemical formula. The subscripts indicate the number of atoms of each element in one molecule of glucose. We multiply the number of moles of glucose by the ratio of atoms of each element to the number of atoms of glucose in one molecule. Finally, we find that there are 7.5 mol carbon, 15 mol hydrogen, and 7.5 mol oxygen in 1.25 mol glucose.
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2. Calculate the density of a metal that occupies 17.75 cm and has a mass of 342.93 g. [D = m/V]
Answers
Answer:
19.32
Explanation:
the density is given by the mass over volume
the mass In this case is 342.93 and the volume is 17.75
d=342.93g/17.75cm
=19.32g/cm
i hope this helps
what are the relative integrations of the absorption signals expected to appear in the 1h nmr spectrum of diethyl ether?
Answers
The relative integrations of the absorption signals in the 1H NMR spectrum of diethyl ether (C2H5OC2H5) can be determined based on the number of equivalent hydrogen atoms in each distinct environment.
Diethyl ether has three distinct environments for hydrogen atoms:
1. The hydrogen atoms (H) attached to the two methyl groups (CH3) are equivalent. There are six hydrogen atoms in total (3 on each methyl group), and they will give a single absorption signal.
2. The hydrogen atoms (H) attached to the central oxygen atom (O) are also equivalent. There are two hydrogen atoms in this environment, and they will give a single absorption signal.
Therefore, in the 1H NMR spectrum of diethyl ether, we would expect to observe two distinct absorption signals. The relative integrations of these signals will be in a 3:2 ratio, corresponding to the relative number of equivalent hydrogen atoms in each environment.
To summarize:
- The absorption signal from the hydrogen atoms in the methyl groups (CH3) will have an integration of 3.
- The absorption signal from the hydrogen atoms attached to the oxygen atom (O) will have an integration of 2.
The 3:2 integration ratio reflects the relative number of equivalent hydrogen atoms in each environment in the diethyl ether molecule.
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What type of substance is gelatin?
Answers
Gelatin is a gel colloid.
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_____ are considered dietary proteins.
A. apples
B. oils
C. eggs
D. potatoes
Answers
Answer:
Eggs
Explanation:
Apple = fruit
Oils = fat
Potatoes = Carbs
And eggs are the only proteins
how much more kinetic energy does a 6 kg bowling ball have when it is rolling at 16 mph then when it is rolling at 14 mph
Answers
The difference in kinetic energy if a 6 kg bowling ball rolling at 16 mph and when it is rolling at 14 mph is 180J.
How to calculate kinetic energy?Kinetic energy of an object can be calculated using the following formula;
K.E = ½mv²
Where;
K.E = kinetic energym = massv = velocityAccording to this question, a 6 kg bowling ball is rolling at 16 mph and 14 mph respectively.
K.E = (½ × 6 × 16²) - (½ × 6 × 14²)
K.E = 768 - 588
∆K.E = 180J
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1.
Scientists before Mendeleev had observed that certain elements reacted similarly with other chemicals. Which further observation led Mendeleev to create the periodic table?
A The elements within these groups often differed
physical properties, such as color and texture
B. The atomic weights of the elements within these groups were spaced at nearly regular increments
C The reactivity of the elements within these groups varied at nearty regular increments
D. Elements that did not fit in these groups belonged in the lanthanide and actinide series
Time Remaining 03:12:38
Copyright 2020 Illuminate Education, Inc. All Rig
O Type here to search
Answers
Answer:
B The atomic weights of the elements within these groups were spaced at nearly regular increments
GIVING BRAINLIEST
What do the arrows at point 3 indicate?
O Cool air is above water.
O Warm air is above land.
O Warm air is cooling quickly.
O Cool air is warming quickly.
Answers
Answer:
D) Cool air is warming quickly.
Explanation:
d is the answer.
The arrows at point 3 indicates that Warm air is cooling quickly and the correct option is option C.
What is Sea Breeze?Sea breeze is a blowing breeze from sea towards land during the day is called sea breeze.
During the day, the land surface heats up faster than the water surface.
Therefore, the air above the land is warmer than the air above the ocean.
As a result, warm air rises. Therefore, the warmer air over the land surface is rising.
As the warm air over the land is rising, the cooler air over the ocean is flowing over the land surface to replace the rising warm air
Therefore, The arrows at point 3 indicates that Warm air is cooling quickly and the correct option is option C.
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Draw the conjugate acid for the following base (lone pairs do not have to be drawn):
Answers
move double bond add line pairs to Oxygen and make negative then move a double bond into the hexagon
You generate a chimeric gfp to which you added the first 18 amino acids encoded by the bip gene to the beginning of the gfp coding region. You also changed the last 4 amino acids of gfp to leu-ala-gly-lys. What will you most likely observe if you express this chimeric gfp in an otherwise normal cell?.
Answers
Using DNA recombinant technology, scientists combine the Gfp gene with another gene that generates a protein they wish to study, and then they introduce the resulting complex into a cell. If a cell produces the green fluorescence, scientists assume that it is expressing the target gene.
What is the most likely result of expressing this chimeric gfp in a cell that is otherwise healthy?
Because it retains its fluorescent properties when recombinantly expressed in both prokaryotic (Escherichia coli) and eukaryotic (Caenorhabditis elegans and Drosophila melanogaster) living cells, the green fluorescent protein (GFP) of the jellyfish Aequorea victoria can be used as a potent marker of gene expression in vitro cell.
The essential amino acids include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. The non-essential amino acids are alanine, asparagine, aspartic acid, glutamic acid, and serine.
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The Gfp gene is joined to another gene that produces an intriguing protein using DNA recombinant technology, and the resulting complex is then introduced into a cell. Scientists presume that a cell is actively expressing the target gene if it exhibits the green fluorescence.
What will happen if this chimeric gfp is expressed in a healthy cell?The green fluorescent protein (GFP) of the jellyfish Aequorea victoria can be used as a strong marker of gene expression in vitro cells because it maintains its fluorescent properties of when it is recombinantly expressed in both prokaryotic (Escherichia coli) and eukaryotic (Caenorhabditis elegans and Drosophila melanogaster) like living cells.
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SOMEONE HELP ME PLEASE WITH THE BOTTOM QUESTIONS
Answers
Using the equation H=cpmT and the water specific heat, the amount of heat received is determined. 4. At 100oC, water vaporizes into vapour.
Which is heat absorbed by?The fact that it requires a lot of energy to boil water is one of its most important characteristics. To be precise, one calorie of heat must be absorbed by 4,184 Joules of water for one degree Celsius of temperature rise. To provide some context, 1 kilogram of copper can be heated to 1°C with just 385 Joules of heat.
Water takes energy during the freezing, evaporation, and sublimation processes. The water molecules alter their bonding structure and transition to a higher energy state as a result of the energy received. This energy must be provided by the atmosphere in the Earth system.
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How do you find the precipitate in chemistry?
Answers
Answer: An ionic solution is when the ions of a compound have dissociated in an aqueous solution. A reaction happens when you mix two aqueous solutions. This is when you find out if a precipitate will form or not. A precipitate forms if the product of the reaction of the ions is insoluble in water.
Explanation: I think ;>;
What is the pH of a 0.30 M solution of Ca(OH)2?
Answers
Explanation:
30 to the second power
Can someone please help me by answering this question??
Answers
Answer: 12N IT IS JUST MATH
A cube of steel has dimensions 0.2 mx 0.2 m * 0.2 m. What is
the volume of the cube in cubic centimeters?
cm
Answers
Answer: 8000
Explanation:
If we put some water in a plate and allow the plate and allow the plate to lie in sunlight we find that water from the plate disappear moreover even if we keep the plate in the shade it still disappear
Answers
Answer:
Evaporation
Explanation:
Evaporation is the process by which water changes from the liquid state to the gaseous state.
Unlike boiling that only occurs at a specific temperature (boiling point), evaporation occurs at any temperature. This explains why water disappear when placed under direct sunlight or under a shade.
Express the diameter of a ground-state hydrogen atom.
Answers
The diameter of a ground-state hydrogen atom can be calculated using the Bohr radius (a0) which is approximately equal to 0.529 Å (angstroms) and the formula for the diameter of a sphere (2 × radius).
So for the ground-state hydrogen atom (n = 1), the radius (r) would be :
\(r = a0 / 1\)
= a0 The diameter of a sphere is 2 times the radius so the diameter of a ground-state hydrogen atom can be expressed as follows:
Diameter = 2 × radius
Diameter = 2 × a0
Diameter = 2 × 0.529.
Diameter = 1.058 Å
Therefore, the diameter of a ground-state hydrogen atom is approximately 1.058 angstroms. This process has significant applications in the food and beverage industry as well as in the production of biofuels.
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what are the partial pressures of nh3 and h2s at equilibrium, that is, what are the values of pnh3 and ph2s , respectively?
Answers
H2S has a pressure of 0.368 atm, while NH3 has a pressure of 0.325 atm.
According to the query, the equilibrium partial pressure of NH3 and H2S has the values PNH3 and PH2S. The air is separated in accordance with the numerical equilibrium of the partial pressures of ammonia and hydrogen sulphate. The sum will be as follows:
According to ammonium bisulfite, the NH4HS(s)⇄NH3(g)+H2S(g) reacts with NH3 to produce hydrogen sulphide and ammonia (g)
This reaction will occur at 25°C if K's p-value is 0.120. NH3 has a partial pressure of 0.325 atm, while H2S has a partial pressure of 0.368 atm.
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Potassium (K) and copper (Cu) are both in period 4. They both have _____.
four electron shells
similar properties
the same number of electrons
the same number of protons
Answers
Answer:
Similar properties
Explanation:
Potassium (K) has atomic number 19 which means its electron configuration (pattern of electrons in it's energy levels (electron shells)) is 2·8·8·1 while Copper (Cu) has atomic number 29 which means its electron configuration is 2·8·8·8·3 hence Potassium has 4 electron shells while Copper has 5
Potassium has 19 protons (from its atomic number) while Copper has 29 protons
The number of protons and electrons is usually the same (in an atom) (that's why atoms don't naturally have charges i.e they're usually neutral) so Potassium has about 19 electrons while Copper has about 29 electrons.
So similar properties automatically becomes your answer cuz the rest are wrong.