The ____ functions as the body’s thermostat
a. glands
b. muscles
c. brain stem
d. sensory receptors
e. hypothalamus
ANSWER: e
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Which of the following is not typically a modification of histones?
A. adenylation B. phosphorylation C. methylation D. acetylation E. adenylation and phosphorylation
All the following antimicrobial agents work by inhibiting protein synthesis except:
A) chloramphenicol. B) erythromycin. C) imipenem. D) tetracycline.
Which of the following organisms is responsible for
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In the context of regression analysis, a variable that allows us to isolate the causal effect of a treatment on an outcome due to its exogenous correlation with the treatment is known as a(n):
A. difference in difference estimator. B. dummy variable. C. instrumental variable. D. control variable.