____ is the net movement of molecules or ions from a low concentration to a higher concentration
a. active transport
b. facilitated diffusion
c. exocytosis
d. osmosis
e. diffusion
A
You might also like to view...
A terrestrial mollusc without a shell belongs to which clade?
A) chitons B) bivalves C) gastropods D) cephalopods
Which discovery was determined about DNA from x-ray diffraction data?
a. DNA is uniform in length. b. DNA is short and narrow. c. DNA has a repeating pattern. d. DNA molecules are flat. e. DNA molecules are round.
If a man and his wife are affected with a dominant trait, then ____________________ of their children
could be unaffected. Fill in the blank(s) with the appropriate word(s).
In humans, the transport epithelial cells in the ascending loop of Henle _____
A) are the largest epithelial cells in the body B) are not in contact with interstitial fluid C) have plasma membranes of low permeability to water D) are not affected by high levels of nitrogenous wastes