Active transport requires all of the following EXCEPT
A) a membrane.
B) transport proteins.
C) ATP.
D) aquaporins.
E) a gradient.
D
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The organelle that contains chlorophyll a and carries out photosynthesis in plants is the
A. central vacuole. B. cell membrane. C. Golgi body. D. mitochondrium. E. chloroplast.
Liverworts and mosses utilize which of the following pigments for photosynthesis?
a. chlorophylls a and b. b. carotenes. c. xanthophylls. d. all of the above.
The Army and the Environmental Protection Agency
are decreasing the contamination at the Army’s Aberdeen Proving Grounds by a. removing contaminated soil. b. planting hybrid poplar trees. c. chemically degrading the contaminants. d. covering the contaminated soil with a sealant. e. doing none of these.
Which of the following is a vitamin-deficiency disease?
A. scurvy B. Lyme disease C. rabies D. kwashiorkor