The breakdown of pyruvate in the Krebs cycle
results in the release of
a. energy.
b. carbon dioxide.
c. electrons.
d. hydrogen ions.
e. all of these
E
Biology & Microbiology
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Which of the following animals has a heart with two chambers: one atrium and one ventricle?
a. bird b. mammal c. frog d. fish
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Ephedrine is a stimulant that is derived from a member of the phylum
A. Cycadophyta. B. Pterophyta. C. Hepaticophyta. D. Gnetophyta.
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Graft rejection can be reduced by
A) preventing B cell activation. B) antiphagocytic factors. C) antihistimines. D) preventing T cell proliferation. E) epinephrine.
Biology & Microbiology
The meiotic cell cycle involves ________ number of cell division(s) and ________ number of DNA replication(s)
A) two; two B) two; zero C) one; two D) two; one E) one; one
Biology & Microbiology