Orientation Is an Ongoing Process

question 22

True/False

Orientation is an ongoing process.

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Definitions:

Facilitated Diffusion

A process of passive transport, with the aid of integral membrane proteins, allowing substances to move across cell membranes without energy expenditure.

Receptor-Mediated Endocytosis

A cellular process by which cells internalize molecules (like hormones, nutrients, and proteins) by the inward budding of plasma membrane vesicles containing proteins with receptor sites specific to the molecules being internalized.

Allosteric Regulation

The regulation of an enzyme's activity through the binding of a molecule at a site other than the enzyme's active site, causing a change in its shape.

Feedback Inhibition

Regulatory mechanism in which a change that results from some activity decreases or stops the activity.