Which of the following are NOT vectors important in disease transmission?
A) fomites
B) insects
C) ticks
D) rodents
Answer: A
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________ muscle is nonstriated, whereas ________ and ________ muscle is striated.
Fill in the blank(s) with the appropriate word(s).
Which type of epidemic usually results from a single contaminated source such as food?
A. Herd B. Sporadic C. Common-source D. Propagated
The enzyme-catalyzed rate for a reaction that removes a phosphate group from a molecule is
a. 1012 years. b. 10 milliseconds. c. 1021 milliseconds. d. slower than the uncatalyzed rate. e. faster at 1000oC than 100oC.
What is the function of reverse transcriptase in retroviruses?
A) It uses viral RNA as a template for DNA synthesis. B) It converts host cell RNA into viral DNA. C) It translates viral RNA into proteins. D) It uses viral RNA as a template for making complementary RNA strands.