The sodium-potassium pump is an example of
a. simple diffusion.
b. facilitated diffusion.
c. osmosis.
d. active transport.
e. bulk flow.
Answer: d
You might also like to view...
In radishes, red and white are the pure-breeding
colors, and long and round are the pure-breeding shapes, while the hybrids are purple and oval. The cross of a red, long radish and a white, round radish will produce an F2 generation in which a. the most common phenotype will be oval and purple. b. the purple color will occur with all three shapes of radish. c. the red color will occur with all three shapes of radish. d. all white, long forms produced will be purebreeding. e. all of these are true.
Proline is referred to as the "helix breaker" because
A) its only found in the L form, which is incompatible with helical protein structure. B) it lacks the hydrogen atom needed for hydrogen bonding. C) it lacks a charged functional groups for ionic bonding. D) it is hydrophobic. E) it has a polar functional group.
Gastrulation is the process by which an embryo becomes three-layered
____________________ Indicate whether the statement is true or false.
Spermatogenesis takes place in the epididymis. Indicate whether the statement is true or false