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lukranit [14]
4 years ago
6

As an impulse travels down an axon, ______________.

Biology
2 answers:
Gnesinka [82]4 years ago
7 0

Answer:a charge reversal occurs.

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

Lera25 [3.4K]4 years ago
5 0
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
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