Which of these is an example of active transport?

A) Facilitated diffusion of K+
B) Diffusion of oxygen from a place of high concentration to a place of lower concentration
C) Transport of Na+ from a place of low concentration to a place of higher concentration
D) Transport of glucose down its concentration gradient
E) Transport of Cl- following its concentration gradient


C

Anatomy & Physiology

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For each acetyl CoA molecule that enters the citric acid cycle, 2 ATPs, 16 H atoms, and 4 CO2 molecules are produced.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Bipolar neurons are commonly ________.

A) motor neurons B) called neuroglial cells C) found in ganglia D) found in the retina of the eye

Anatomy & Physiology

What accounts for the most ATP production?

a. Kreb's cycle. b. Citric acid cycle. c. NADH. d. oxidative phosphorylation. e. glycolysis.

Anatomy & Physiology

These muscles are active during expiration

A) diaphragm B) external intercostals C) internal intercostals D) No muscles are active during quiet breathing; expiration is a passive process.

Anatomy & Physiology