Multiple Choice
Which of the following describes how facilitated diffusion is powered?
A) Facilitated diffusion is "free of cost."
B) Energy is required to do the work of establishing and maintaining a concentration gradient.
C) ATP is required directly.
D) The sodium-potassium pump powers facilitated diffusion.
E) Facilitated diffusion is powered by endocytosis.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: A wilted flower placed in a vase
Q23: Biological membranes are one-dimensional fluids.
Q41: Using correct terminology, describe what would happen
Q49: Osmotic pressure of a solution is the
Q53: Sodium-potassium pumps maintain a(n) electrochemical gradient. <br>_
Q59: Integral proteins:<br>A) are weakly bound to the
Q61: In the experiment in which Frye and
Q62: Which of the following are forms of
Q65: Pinocytosis:<br>A) is engulfment of large particles by
Q69: In the mechanism of action of a