Enzymes that can function at boiling water temperatures or other harsh conditions would be termed
A. denatured.
B. ribozymes.
C. abzymes.
D. exoenzymes.
E. extremozymes.
Answer: E. extremozymes.
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The electrical difference across a neuronal membrane is measured in
A. joules. B. millivolts. C. newtons. D. milliamperes. E. milliwatts.
Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving microbes). Among the halophiles, mannitol fermenters release acid that turns the pH indicator yellow; mannitol nonfermenters leave the medium red. Onto MSA you inoculate a halophilic mannitol fermenter, a nonhalophilic mannitol fermenter, and a halophilic mannitol nonfermenter. Thus, the medium is acting as a ________ medium.
A. differential B. selective C. selective and differential D. neither selective nor differential
Antimicrobial peptides (AMPs) frequently work by
A) inhibiting protein synthesis. B) disrupting the plasma membrane. C) complementary base pairing with DNA. D) inhibiting cell-wall synthesis. E) hydrolyzing peptidoglycan.
All angiosperms have
A. animal pollinators. B. scented flowers. C. fleshy fruits for dispersal. D. nectaries. E. ovules enclosed in carpels.