Which Characteristic Is NOT One Attributed to a Second Messenger

question 73

Multiple Choice

Which characteristic is NOT one attributed to a second messenger?

• A) intracellular signaling molecules
• B) molecules that can easily pass across membrane bilayers
• C) molecules that can act as allosteric effectors for signaling proteins
• D) molecules that can be rapidly converted between active and inactive forms
• E) molecules that are synthesized in response to receptor/signal interactions

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without needing to be learned.

Observational Learning

The learning process through which behavior is acquired by observing and imitating the actions of others.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, aiming at increasing or decreasing certain behaviors.

Conditioned Response

A learned reaction to a previously neutral stimulus after repeated association with an unconditioned stimulus.