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Vlad1618 [11]
2 years ago
13

How are frogs and ducks alike

Biology
1 answer:
salantis [7]2 years ago
8 0

Answer: They can both swim and have webbed feet. Although they both live in water, they both breathe air. They're both bug eaters. Both of them are vertebrates. Both of them lay eggs.

Explanation:

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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
2 years ago
Where are electrons located?
aliina [53]
B. Outside the nucleus of an atom. Unlike protons and neutrons, which are located inside the nucleus at the center of the atom, electrons are found outside the nucleus. Because opposite electric charges attract each other, negative electrons are attracted to the positive nucleus.
3 0
1 year ago
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What could be a result of an injury to the dorsal column?
Mariulka [41]

Answer:

A.  loss of sensation to pressure and touch

Explanation:

Posterior column-medial lemniscus pathway  also known as  the dorsal column–medial lemniscus pathway (DMLP) is a pathway involved in recognition of sensory simulations and is found in central nervous system.

It is involved in conveying  different sensations like like touch and vibration from skin and joints. Therefore, it can be said that the pathway plays significant role in perception of sensory information from different parts of the body. If any damage occurs to the pathway it can  result in loss of sense of touch and vibration which is ultimately a lack of ability of a person to sense a touch or pressure in the body.

Hope it helps!

3 0
2 years ago
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Which air mass may produce an occasional nor’easter during winter?<br>a. mP<br>b. cT<br>c.cP<br>d.mT
Alex
The answer is A hope this helped you :)<span />
7 0
3 years ago
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Who was the author of the book Principles of Geology? The book presented arguments to support a theory of geological change, pro
zmey [24]

Answer:

The correct answer is "Charles Lyell".

Explanation:

Charles Lyell was a notorious Scottish geologist that associated events of Earth's history with natural events taking place at the same time. In 1830, Charles Lyell published the book "Principles of Geology", associating the formation of the Earth's crust with different small and vast natural events. Charles Darwin's was largely influenced by Lyell's ideas and he took his book during the famous travel trough the Galapagos islands.

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3 years ago
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