The two photosystems of light-dependent reactions are designated ____.

A. type 1 and type 2
B. type I and type II
C. photosystem A and photosystem B
D. photosystem 680 and photosystem 700
E. photosystem I and photosystem II


Answer: E

Biology & Microbiology

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A metaphase plate forms in both plant and animal cells

and is when the chromosomes __________. Fill in the blank(s) with the appropriate word(s).

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The color distribution in the fur of calico cats results

from a. hybridization. b. a specific nutritional deficiency. c. a genetic defect. d. X chromosome inactivation. e. selective breeding.

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Which phylum is strictly marine with no freshwater

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