The primary, natural habitat of a pathogen where it continues to exist is called the ________.

A. fomite
B. source
C. reservoir
D. vector
E. carrier


Answer: C

Biology & Microbiology

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Matter is composed of:

A. molecules B. mass C. energy D. atoms

Biology & Microbiology

Consider the following mRNA from a eukaryotic species. Which AUG codon is translation most likely to begin from?

5'-CCUAUGAGCCACCAUGGAUGCCAAAUGCA-3' A. 1st B. 2nd C. 3rd D. 4th

Biology & Microbiology

Which neurotransmitter stimulates skeletal muscle contraction, slows cardiac muscle contraction rate, and affects

mood and memory?

a. acetylcholine b. epinephrine c. dopamine d. serotonin e. an endorphin

Biology & Microbiology

The outcome of the conflict between bacteria and bacteriophage at any point in time results from

A) frequency-dependent selection. B) evolutionary imbalance. C) heterozygote advantage. D) neutral variation. E) genetic variation being preserved by diploidy.

Biology & Microbiology