Which of These Descriptions Applies to the Movement of Molecules

question 485

Multiple Choice

Which of these descriptions applies to the movement of molecules across the plasma membrane

• A)If two similar molecules can both combine with the same carrier, the presence of one of these molecules increases the rate of entry of the other.
• B)In simple diffusion, the rate of transport of a molecule is inversely proportional to the molecule's extracellular concentration.
• C)When a carrier becomes saturated, the maximum rate of transport is reached.
• D)Large molecules can cross it via nonselective, receptor-mediated endocytosis.

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Definitions:

Conceal Frustration

The act of hiding or suppressing feelings of annoyance or upset often to maintain social harmony or professionalism.

Emotional Regulation

Refers to the process by which individuals influence their emotions, how they experience them, and how they express them.

Positive Affect

A psychological term referring to the dimensions of mood that range from pleasantness to unpleasantness, indicating how positive one's emotional state is.

Self-Esteem

The beliefs we have about our own worth following the self-evaluation process.