CAM plants conserve water by ________
A) opening their stomata only at night
B) incorporating CO2 into RuBP
C) keeping their stomata closed at night
D) running the Calvin cycle at night
A
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One important difference between the C, N, and S cycles and the P, Ca, and Si cycles is that
A) P, Ca, and Si are NOT cycled in terrestrial environments. B) the P, Ca, and Si cycles do NOT involve redox changes or gaseous forms that can alter Earth's atmospheric chemistry. C) the P, Ca, and Si cycles do NOT involve microbial activity. D) the P, Ca, and Si cycles are NOT affected by global warming or other human activity.
What characteristic of a species refers to having two of each type of chromosome?
a. autosomal b. karyotype c. diploid d. base-paired e. helical
Slow-twitch muscle fibers have many mitochondria and
produce ATP using __________. a. aerobic fermentation. b. aerobic respiration. c. anaerobic muscle recovery. d. anaerobic fermentation. e. none of these.
The ________ is connected to the GI tract and has no digestive function, but it may have a role in the defense of the body against disease. It occasionally becomes inflamed and requires removal
Fill in the blank(s) with correct word