Plants that have their flowering inhibited by being exposed to bright lights at night are
a) short-day plants.
b) long-day plants.
c) short-night plants.
d) day-neutral plants.
e) devoid of phytochrome.
Ans: a) short-day plants.
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A. 131 cells always die. B. all 1090 cells die. C. all 1090 cells live. D. only 959 cells live.
LDL particles binding to receptors before being engulfed by a cell is an example of which of the following?
a. phagocytosis b. pinocytosis c. receptor-mediated endocytosis d. exocytosis
Importing high concentrations of compatible solutes is a strategy cells use to counteract the effects of an environment containing a
a. high salt concentration. b. high dissolved-oxygen concentration. c. high water potential. d. low ionic concentration.
How is alcohol classified?
A. stimulant B. psychoactive C. inhibitor D. depressant E. none of these