The Proteins in the Cell Membrane That Can Open and Close

question 5

Multiple Choice

The proteins in the cell membrane that can open and close are called:

• A) enzymes.
• B) gated channel proteins.
• C) glycoproteins.
• D) both A and B.

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Definitions:

Imprinting

Learning to make a particular response to only one type of animal or object.

Sexual Selection

Changes in males and females, often due to male competition and female selectivity, leading to increased fitness.

Natural Selection

Mechanism of evolutionary change caused by environmental selection of organisms most fit to reproduce; results in adaptation to the environment.

Fixed-Action Pattern

A fixed-action pattern is a sequence of unlearned, innate behaviors that is triggered by a specific stimulus and is carried to completion once started.