The CAMP-PKA Pathway

question 48

Multiple Choice

The cAMP-PKA pathway

• A) is important in invertebrates like Aplysia,but probably plays a lesser role in learning in mammals.
• B) is important in mammals,but cannot be demonstrated in simple organisms like Aplysia.
• C) appears to play similar roles in invertebrates like Aplysia and in mammals.
• D) results in changes in gene expression in invertebrates like Aplysia,but not in mammals.

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Definitions:

Neuron Fires

The process in which a neuron transmits an electrical impulse along its axon, resulting in the release of neurotransmitters into the synapse, to communicate with other neurons or muscles.

Cell Body

The spherical part of a neuron that contains the nucleus and connects to the dendrites and the axon, serving as the neuron's metabolic center.

Axon

The long, slender projection of a nerve cell that conducts electrical impulses away from the neuron's cell body.

Life-Support Center

A medical facility equipped to sustain human life artificially in situations where natural bodily functions are compromised.