Transporters, in contrast to channels, work by ________________.
What will be an ideal response?
specific binding to solutes
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The “universal energy currency” of the cell is
(a) O2. (b) C6H12O6. (c) ATP. (d) H2O.
The acquisition of a key evolutionary innovation by a species gives evidence for the concept of
a. uniformitarianism. b. gradualism. c. convergence. d. adaptive radiation. e. special creation.
The Hardy-Weinberg principle is applicable provided:a
migration is limited to adults. b. migration only occurs during nonreproductive periods. c. migration is limited to juveniles. d. migration occurs at the beginning of the breeding season. e. migration does not occur.
The toxins TTX and STX both block __________ channels, preventing the production of _________.
A) sodium; action potentials B) acetylcholine; movement C) G; graded potentials D) magnesium; retrograde transmission