Answer:
During an action potential, sodium channels first activate, driving the upstroke, and then inactivate, facilitating repolarization to the resting potential. The channel's a gate (activation gate) is closed at rest and activates in several steps to an open state after depolarization.
Explanation:
Answer:
E. Vegetation types
Explanation:
Vegetation is the general term for the plant life of a region. It refers to the ground cover by plant and is by far the most abundant biotic element of the biosphere and also helps modern climate classification.
<span>Good Morning!
Every year more than fifty million Americans experience symptoms of mental illness. The data are from the Substance Abuse and Mental Health Services Administration (SAMHSA).
It would be impossible for 50 million Americans to commit suicide every year. In 5 or 6 years, there would be no more population in the United States.
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