During the light dependent reactions, NADPH ____
a. is an enzyme
b. is the oxidized form of NADP+
c. accepts hydrogen and electrons from water
d. accepts hydrogen and electrons from carbohydrates
e. obtains energy from ATP
ANSWER: c
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The relationship between the yucca plant and
the yucca moth that pollinates it is best described as
a. commensalism. b. parasitism. c. predation. d. mutualism. e. all of these
During the urination reflex, voluntary control is directed at the ____
a. bladder b. external urethral sphincter c. internal urethral sphincter d. internal ureter sphincter e. renal cortex
The figure below is depicting the interaction of water molecules with one another, which involves the use of
a. covalent bonds. b. hydrogen bonds. c. ionic bonds. d. positive and negative ions.
What situation may result when people stop taking their antibiotics too soon because they already feel better?
A. A drug-resistant strain is born. B. The person will have to restart the antibiotic course. C. The person will continue to feel fine. D. The person will be immune to that type of infection.