Which one of the following antimicrobial agents is an inhibitor of cell wall synthesis?
A) tetracycline
B) penicillin
C) chloramphenicol
D) erythromycin
Answer: B) penicillin
Biology & Microbiology
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Humans (which have a chromosome number of 2n=46) have 92 chromosomes during G2
a. True b. False
Biology & Microbiology
The aging of a plant from the time of full
maturity is known as
a. senescence. b. photoperiodism. c. abscission. d. dormancy. e. chlorosis
Biology & Microbiology
Viroids infect
A) bacteria. B) plants. C) fungi. D) plants and animals. E) all organisms.
Biology & Microbiology
What evolutionary model for the maintenance of sexual reproduction do the following data appear to support?
a. Muller's ratchet b. the red queen hypothesis c. the Fisher–Muller hypothesis d. the environmental unpredictability hypothesis
Biology & Microbiology