Depolarization is caused by ________.
a. sodium ions rushing into the axon
b. sodium ions rushing out of the axon
c. potassium ions rushing into the axon
d. potassium ions rushing out of the axon
Ans: a. sodium ions rushing into the axon
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Indicate whether the statement is true or false.
Which of the following statements about retinoblastoma offers support for the idea that multiple
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