The Second Messenger Cyclic Adenosine Monophosphate (CAMP) Induces Its Effects

question 9

Multiple Choice

The second messenger cyclic adenosine monophosphate (cAMP) induces its effects by binding to the regulatory subunits of protein kinase A.What is the immediate target of the second messenger inositol-1,4,5-trisphosphate (IP₃) ?

• A)A calcium channel in the endoplasmic reticulum (ER) membrane.
• B)Phospholipase C.
• C)Protein kinase C.
• D)A nuclear DNA-binding protein.
• E)Calmodulin.

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Definitions:

Displacing

Redirecting emotional impulses from a primary target to a secondary target that is considered less threatening or more acceptable.

Denial and Repression

Defense mechanisms in psychology wherein denial involves refusing to acknowledge reality, while repression involves unconsciously blocking unpleasant thoughts and feelings.

Projection and Denial

Defense mechanisms; projection involves attributing one's own unacceptable thoughts or feelings to others, while denial involves refusing to acknowledge reality or facts.

Projection and Rationalization

Projection and rationalization are defense mechanisms; projection involves attributing one's own unacceptable thoughts or feelings to others, while rationalization involves justifying behaviors or feelings with seemingly logical reasons to avoid the true explanation.