The Force That Drives an Ion Through a Membrane Channel

question 15

Multiple Choice

The force that drives an ion through a membrane channel depends on the:

• A) charge on the membrane.
• B) difference in electrical potential across the membrane.
• C) size of the channel.
• D) size of the ion.
• E) size of the membrane.

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Definitions:

Biological Phenomenon

An occurrence within living organisms or systems that is studied in biology, such as growth, reproduction, or metabolism.

Psychological Phenomenon

An observable event that is a manifestation of mental or behavioral processes.

Adolescence

Adolescence is the transitional stage from childhood to adulthood that occurs from puberty to legal adulthood, characterized by significant physical, psychological, and social changes.

Independent

Free from outside control; not depending on another's authority, or in research, a variable that is manipulated to observe its effect on a dependent variable.