C) https/ukinstructure.com courses/1910423/quizze -C Question4 earch Textbook So

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C) https/ukinstructure.com courses/1910423/quizze -C Question4 earch Textbook Solutions Ch M Tutorials and O Quiz: Lab 3 Quiz 0.4 pts Under normal conditions, which of the following affects neuron conduction velocities in crayfish and grass frogs but NOT humans? O Degree of myelination or insulation Dashboard O Membrane permeability O Axon diameter 28 Question 5 0.4 pts 155 Inbox Help The image above shows a recording taken from the ventral nerve cord of a cockroach. Letter A on the graph represents the/a Resting membrane potential Letter B shows the/a Rapid depolarization phase of y . Letters D and E represent the/a Rapid repolarization phase of 10:43 PM

Explanation / Answer

The answer is d) Axon diameter.

Explaination:

In humans, neuron conduction velocity is correlated with nerve diameter and mylination. But in invertebrates, myelin is absent and instead of it giant axon is present. So, the velocity is measured by axon diameter in crayfish and grass frog.

5. A: resting membrane potential

B: action potential

C: refractory period

D: rapid depolarization

E: rapid repolarization

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