The sodium-potassium ion exchange pump

A) is not involved in producing the resting membrane potential.
B) transports sodium ions into the cell during depolarization.
C) transports potassium ions out of the cell during repolarization.
D) moves sodium and potassium opposite to the direction of their electrochemical gradients.
E) depends on a hydrogen gradient for energy.


Answer: D

Anatomy & Physiology

You might also like to view...

A cation that often acts as a cofactor for enzymes is

A) sodium. B) potassium. C) calcium. D) magnesium. E) zinc.

Anatomy & Physiology

Which of the following occurs when a manager who has been judged to have the ability to go higher fails to live up to his or her full potential and is fired, demoted, or plateaued below the expected level of achievement?

A. Protégé B. Expatriation C. Derailment D. None of the above

Anatomy & Physiology

The primary lymphoid tissues include

A) the bone marrow. B) the thymus. C) the bone marrow and thymus. D) the lymph nodes and tonsils. E) the bone marrow, thymus, spleen and lymph nodes.

Anatomy & Physiology

The process of vaccinating eggs on day number 18 of incubation is called ______________________________

Fill in the blank(s) with correct word

Anatomy & Physiology