What must happen to amino acids before they can be used in catabolic reactions?
A. They must be deaminated.
B. They must be deoxygenated.
C. They must be dehydrogenated.
D. They must be decarboxylated.
Answer: A
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A. reverse B. forward C. escalating D. wild card
Ornithosis is caused by
A. Chlamydia trachomatis. B. Ureaplasma urealyticum. C. Chlamydophilia psittaci. D. Mycoplasma hominis.
Which of the following are NOT seed-bearing
plants? a. cycads b. ferns c. ginkgos d. angiosperms e. conifers Answer: b
Most bacterial cells keep from bursting in a hypotonic environment by:
a. an efficient water pump. b. a tough cell membrane. c. pumping large quantities of salts into the cell. d. a rigid cell wall. e. a stiff capsule.