Short-day plants
a. flower in early spring.
b. will not bloom until they have been exposed to a
dark period longer than a critical length.
c. flower in the fall.
d. will not bloom if their dark period is interrupted
by a short pulse of intense red light.
e. do all of these.
Answer: e
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When compared to the pressure of blood leaving the left ventricle, the pressure of blood leaving the right ventricle is
A. greater. B. less. C. not different.
Microbes that are found in hot springs or other extreme environments are most specifically likely to be
a. Gram-negative. b. Gram-positive. c. archaeans. d. cyanobacteria. e. proteobacteria.
If you were able to increase the kinetic energy of the molecules inside your body, how would this affect your body temperature?
A. It would increase B. It would remain the same C. It would decrease
The generally accepted explanation for the movement of organic compounds in phloem is ____.
A. the cohesion-tension theory B. the pressure flow theory C. active transport D. the transpiration-pull theory E. root pressure