In Figure 37

question 31

Multiple Choice

In Figure 37.1, the minimum graded depolarization needed to operate the voltage-gated sodium and potassium channels is indicated by the label

• A) A.
• B) B.
• C) C.
• D) D.
• E) E.

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Definitions:

Chemical Equation

A symbolic representation of a chemical reaction, with reactants on the left, products on the right, and an arrow indicating the direction of the reaction.

Iron

A strong, hard magnetic silvery-grey metal, very abundant in the earth's crust and the core element of hemoglobin in blood.

Pyrolysis

A thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen.

Combustion

A chemical process involving the rapid combination of a substance with oxygen to produce heat and light, often resulting in fire or explosion.