Which of the Following Compounds Is an Aldehyde

question 15

Multiple Choice

Which of the following compounds is an aldehyde?

• A) CH₃CH₂CH₂COOH
• B) CH₃CH₂CHO
• C) CH₃CH₂CH₂OH
• D) CH₃CH₂COCH₃

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Definitions:

Depolarization

The process in which a cell's membrane potential becomes less negative, moving towards zero, which is critical in the initiation of action potentials.

Threshold Stimulus

Stimulus resulting in a local potential just large enough to reach threshold and produce an action potential.

All-Or-None Contraction

A principle stating that a nerve or muscle fiber responds completely or not at all to a stimulus once the stimulus reaches a threshold value.

Muscle Fiber

A single, elongated muscle cell that can contract in response to stimulation.