Which molecule is the final electron acceptor at the electron transport chain?
a. ATP
b. oxygen
c. phosphate
d. acetyl-CoA
e. NAD and FAD
ANSWER: b
Biology & Microbiology
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The simplest multicellular animals that have only a few different cell types are
A) flatworms. B) sea squirts. C) jellyfish. D) anemones. E) sponges.
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The plasma membrane
A. is composed of an extracellular and intracellular layer of phospholipids. B. has extracellular and intracellular layers or leaflets that are highly symmetrical. C. uses cholesterol as its primary lipid. D. contains cellulose.
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