________ alter repressor proteins thereby increasing the rate of transcription initiation.
A. Effectors
B. Inducers
C. Modulators
D. Corepressors
Answer: B
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Which organisms would MOST likely be isolated from aerobic growth conditions with acetate and a soil sample heated to 80 °C for 10 min?
A) aerobic or facultative anaerobic acetogens B) endospore-forming bacteria C) hyperthermophilic heterotrophic bacteria D) mycoplasmas
Carnivores must be at or above which trophic level?
a. first b. second c. third d. fourth e. fifth
In 2012, the International Olympic Committee began using tests that measure the levels and the body’s response to the
male hormone ____________________ as a means of distinguishing females from males when sex was que Fill in the blank(s) with the appropriate word(s).
Which of the following cells are a major reservoir for and distributor of HIV?
A) helper T cells B) B lymphocytes C) cytotoxic T cells D) infected dendritic cells E) monocytes and macrophages