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loris [4]
3 years ago
12

Which situation would most likely be a driving force for changes in a species?

Biology
1 answer:
ehidna [41]3 years ago
6 0

I think it's C.

Explanation:

Good Luck!

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A cell must expend energy to transport substance using
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The cell will use Endocytosis
8 0
3 years ago
How does a planet’s orbital radius relate to its period?
Volgvan

Answer:

hope this helps :)

Explanation:

Kepler's Third Law: the squares of the orbital periods of the planets are directly proportional to the cubes of the semi major axes of their orbits. Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.

6 0
3 years ago
Action potential in a motor neuron triggers the release of what neurotransmitter?
vodomira [7]

Answer:

Action potential in a motor neuron triggers the release of acetylcholine (ACh) neurotransmitter.

Explanation:

Acetylcholine: It is a neurotransmitter released by motor neurons which bind to the receptors end plates of the motor. When an action potential travel down the motor neuron's axon, neurotransmitter release occurs resulting in an influx of calcium and altered permeability of the synaptic terminal membrane.

The Ca2+ ions allow synaptic vesicles to move and bind with the presynaptic membrane which is present on the neuron and released neurotransmitter from the vesicles into the synaptic cleft. Once it's released ACh diffusion occurs across the synaptic cleft to the motor end plate, and binds with ACh receptor. As the neurotransmitter ACh binds, these ions channel open and sodium ions cross the membrane into the muscle cells.

In this phase reduction of voltage inside and outside the cell occurs, which is known as depolarization. When ACh binds to the motor end plate this depolarization is known as end plate potential. Then depolarization spread with the sarcolemma and creating an action potential. This action potential moves the entire cell and creating a wave of depolarization.

5 0
3 years ago
A drug that blocks the effects of a neurotransmitter is called a(n) ____.​
denis23 [38]
A) agonist is the correct answer
7 0
3 years ago
Read 2 more answers
Fossils can be formed in the mud because
luda_lava [24]
Well, when a plant or animal dies in a damp environment it will most likely get buried in mud or silt. The tissues over time will decompose and leave bones or shells behind ( depending on what was there originally it can vary) Eventually over time sediment builds up and hardens into rock.
I sincerely hope this helps you ~
7 0
3 years ago
Read 2 more answers
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