BIOLOGY MIDDLE SCHOOL

As an impulse travels down an axon, ______________.a chemical signal is released

a charge reversal occurs

electrons are transported

the signal stops

Answers

Answer 1
Answer: When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. This would make the answer be.... A. a chemical signal is released
Answer 2
Answer:

Answer:a charge reversal occurs.

Explanation:a chemical isn’t released until it reaches the end. Took the test and it is definitely B.

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Answers

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Which best describes the age structure of a population with zero population growth?4 The majority of people are of prereproductive ages in a broad-base pyramid age structure diagram.

The age-structure diagram would be narrow at the bottom and top with a broader middle.

The age structure would be broad at the top in postreproductive ages and narrow downward in an inverted pyramid.

The age-structure diagram would be column-shaped with all age classes approximately equal.

Answers

Answer:

4

The majority of people are of pre-reproductive ages in a broad-base pyramid age structure diagram.

Explanation:

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Answer:

The age-structure diagram would be column-shaped with all age classes approximately equal.

Explanation:

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One of the bacteria model 1 has a tail like structure

Answers

I believe the answer you are looking for is flagellum

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B.
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C.
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D.
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Answers

Your answer will be D

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O B. It's unaffected by changes in altitude,
O C. It increases
OD. It changes based on the time of year.
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ad on the review nane)

Answers

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Explanation: The pressure is the ratio of the weight of the air to unit area. So, as the height increases, the pressure decreases.
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Answers

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