Which Phrase Describes the Selective Permeability of a Membrane

question 29

Multiple Choice

Which phrase describes the selective permeability of a membrane?

• A)the ability of a molecule to pass through a membrane
• B)the ability of only certain molecules to pass across a membrane
• C)the need for carrier proteins to transport certain molecules
• D)the movement of a molecule from an area of greater concentration to an area of lesser concentration

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Definitions:

Bipolar Disorder

A mental disorder characterized by episodes of mood swings ranging from depressive lows to manic highs.

Obsessive-compulsive Disorder

A mental disorder characterized by recurring, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) that the individual feels compelled to perform.

Major Depressive Disorder

A disorder related to mental health, defined by a continuous experience of feeling down or a diminished pleasure in tasks, resulting in major interference with daily routines.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about a number of different things.