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
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Matter is composed of:
A. molecules B. mass C. energy D. atoms
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
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
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.