The reactions of photosynthesis begin with
a. hydrolysis of water.
b. synthesis of sugar.
c. excitation of chlorophyll electrons.
d. manufacturing of ATP.
e. synthesis of NADPH.
Answer: c
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Which of the following correctly describes the reproduction of males in Daphnia?
A) Daphnia males are produced asexually from unfertilized eggs. B) Daphnia males are produced sexually through fertilization of eggs but are sterile from birth. C) Daphnia males are produced from a pseudo-sexual union of two eggs. D) Daphnia males are produced asexually but are sterile from birth.
Which of the following phrases INCORRECTLY completes the following statement? The Hox complexes of vertebrates
A. encode the same genes as those found in the Antennedepia and bithorax complexes. B. follow the colinearity rule. C. are arranged in groups of four complexes in all organisms that possess them. D. determine the anteroposterior axis. E. suggest there is a basic body plan that is followed by all multicellular organisms.
Which of the following adaptations to the plasma membrane allows mammals to hibernate in subzero
temperatures without their plasma membranes freezing?
a. Increase in cholesterol content only. b. Increase in protein content only. c. Increase in the number of double covalent bonds in phospholipids. d. Increase in both cholesterol and protein content. e. Increase in both cholesterol and double covalent bonds in phospholipids.
Four of the five answers listed below are members of the same kingdom. Select the exception
a. Archaea b. protozoa c. charophyte d. dinoflagellate e. euglenoid