Archaea ____
a. have cell walls composed of cellulose
b. reproduce primarily sexually
c. are more closely related to eukaryotes than bacteria
d. are more closely related to bacteria than eukaryotes
e. have mitochondria
ANSWER: c
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A. estrogens. B. growth hormones. C. progesterones. D. androgens. E. follicle-stimulating hormones.
The causative agent in a case of sepsis can be isolated by
A. inoculating blood agar with a sample of the patient's blood. B. centrifugation of the blood to separate cells and plasma. C. performing a Kirby-Bauer assay on a sample of the patient's blood. D. sending a blood sample to the CDC laboratories in Atlanta.
A "5? cap":
a. prevents translation. b. prevents the binding of ribosomes. c. marks the mRNA for degradation. d. is added to mRNA but not pre-mRNA. e. protects mRNA from degradati
Epidemic curves were prepared by plotting number of cases of disease on the Y-axis and dates on the X-axis. Graph would show a steady increase in number of cases over time, followed by a slow tapering.
A. Propagated Epidemic B. Point-source Epidemic C. Common-source Epidemic