Green and purple sulfur bacteria will carry out anaerobic photosynthesis primarily in
A. zone 1.
B. zone 2.
C. zone 3.
D. zone 4.
E. both zones 1 and 2.
Answer: C
Biology & Microbiology
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Lichens may be an association of
A. several different fungi. B. protozoa and bacteria. C. algae and fungus. D. virus and algae.
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In the systemic circuit, blood flow is regulated by precapillary sphincter muscles that open and close access to capillary beds.
a. true b. false
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Classic albinism is an autosomal recessive mutation. However, two parents with albinism may produce a child with normal pigment. How can this be so?
What will be an ideal response?
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Wood and cotton cloth are composed of
a. cholesterol. b. lipid. c. cellulose. d. glycogen. e. chitin.
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