Calcium-Binding Proteins All Possess 2 or More Characteristic Peptide Domains

question 43

Multiple Choice

Calcium-binding proteins all possess 2 or more characteristic peptide domains for Ca²⁺ binding that consist of a short a-helix,a loop of 12 amino acids,and a second a-helix (helix-loop-helix) .Which of the following motifs best describes these peptide domains?

• A)basic region leucine zipper
• B)zinc finger
• C)EF hand
• D)beta-beta

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Definitions:

Generalization

In psychology, the tendency to respond in the same way to different but similar stimuli.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired together; a response that is initially elicited by the second stimulus is eventually elicited by the first stimulus alone.

Spontaneous Recovery

The reappearance of a previously extinguished response after a period without exposure to the conditioned stimulus.

Principle

A fundamental truth or proposition that serves as the foundation for a system of belief or behavior or for a chain of reasoning.