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
You might also like to view...
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)
Bipolar neurons are commonly ________.
A) motor neurons B) called neuroglial cells C) found in ganglia D) found in the retina of the eye
What accounts for the most ATP production?
a. Kreb's cycle. b. Citric acid cycle. c. NADH. d. oxidative phosphorylation. e. glycolysis.
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.