Members of the order Desulfovibrionales use which of the following as electron acceptors during anaerobic respiration?
A. CO2
B. Organic acids and alcohols
C. O2
D. Elemental sulfur or sulfate
Answer: D
Biology & Microbiology
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A human blastomere is _____
A) an embryonic cell that is smaller than the ovum B) an embryonic structure that includes a fluid-filled cavity C) that part of the acrosome that opens the egg's membrane D) a component of the zona pellucida E) a cell that contains a (degenerating) second polar body
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HIV typically attaches to
A. protein A. B. C3b. C. C5a. D. CD4.
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What is the net yield of ATP during glycolysis?
a. 2 b. 1 c. 6 d. 36 e. 4
Biology & Microbiology
The chorion is the extraembryonic membrane closest to the embryo proper. Indicate whether the statement is true or false
Biology & Microbiology