What are the nodes of Ranvier?

A. breaks in the myelination along an axon
B. the population of voltage-gated sodium
channels located at the axon hillock
C. the point of communication between an
axon terminal and a muscle cell
D. branch points along an axon


A

Biology & Microbiology

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Indicate whether this statement is true or false.

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How would Earth change if the greenhouse effect didn't exist at all?

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Explain why mitochondria are often called "the powerhouse of the cell."

What will be an ideal response?

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The ability of certain bacterial cells to take on different cell shapes is known as

A) meiosis.
B) pleomorphic.
C) pallidic.
D) pyloric.
E) fission.

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