Neurons Cannot Fire Fast Enough to Keep Up with High-Pitched

question 70

Multiple Choice

Neurons cannot fire fast enough to keep up with high-pitched sound waves. Therefore, they alternate firing according to the ______.

• A) place theory
• B) frequency theory
• C) volley principle
• D) switch theory

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Definitions:

Dienophile

A compound that participates in Diels-Alder reactions by combining with a diene to form a ring structure.

Thermal Cycloaddition

A chemical process where two or more molecules join together in a reaction that involves the redistribution of electrons and is facilitated by heat.

Allyl Anion

A negatively charged species derived from an allyl group, featuring a conjugated system of electrons across three carbon atoms.

Ethylene

A colorless flammable gas with the formula C2H4, used as a hormone in plants and an important industrial organic chemical in the production of polymers.