What is a nerve impulse?

Answers

Answer 1

Answer:

A signal transmitted along a nerve fiber. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.

Explanation:

Answer 2

Answer:a signal transmitted along a nerve fiber. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.

Explanation:

Related Questions

how do plant tissue systems work together to maintain homeostasis

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They keep the plant cells in place causing the plant to have a stable internal

Green anoles were forced out of their established habitat of trees, plants, walls and fences by invasive brown anoles. The green anoles then had to find new habitats in wetlands and tree crowns. This example illustrates the concepts of:

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Answer:

both competition and realized niche

Explanation:

A fossil contains 1/16 of the carbon -14 it began with. How old is the fossil?

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Answer:

1/30

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PLEASE HELP I NEED THIS TO PASS
Some organisms have a large geographic range. For example, the Norway rat lives on every continent except Antarctica A population of Norway rats is the number of rats in one particular area. Do you think it's scientifically possible for a population of Norway rats in North America to carry different genetic mutations than a population of Norway rats in Africa? Do you think it's possible that they carry some of the same mutations? What types of information can scientists learn by studying the genomes of these two populations of rats?

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It certainly is possible that the North American population has to carry different mutations than a population of Norway rats in Africa. Genetic mutation is a random event, and the alleles resulting from mutation may rise in frequency and be fixed within the population if they provide a benefit to the fitness of the individuals with that allele. One random mutation could occur in the North American population and not be found in the African population because the occurrence of this mutation is random. It is also possible that the two populations carry the same mutations. This would be the case if the mutation occurred either if the mutation occurred in a common ancestor, or if the mutation occurred prior to the 2 populations becoming allopatric. By studying the genomes of each population scientists will be able to determine when certain mutations occurred. Mutations found in one population and not the other occurred more recently, while mutations found in both populations occurred further back in evolutionary time, and may have originated in a common ancestor.

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