Refer to the Following Graph of an Action Potential to Answer

question 37

Multiple Choice

Refer to the following graph of an action potential to answer the question.

The minimum graded depolarization needed to operate the voltage-gated sodium and potassium channels is indicated by the label ________.

• A) A
• B) B
• C) D
• D) E

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Definitions:

Critical Nutrients

Essential substances required for growth and maintenance of life that the body cannot synthesize in sufficient quantities and must be obtained through the diet.

Carrying Capacity

The maximum population size of a species that an environment can sustain indefinitely, considering the food, habitat, water, and other necessities available in the environment.

Logistic Growth Curve

A model describing population growth that slows as the population reaches carrying capacity, resulting in an S-shaped curve.

Carrying Capacity

The maximum population size of a species that an environment can sustain indefinitely, given the available resources.