HIV is a

A. double-stranded DNA virus.
B. single-stranded RNA virus.
C. single-stranded DNA virus.
D. double-stranded RNA virus.
E. prion.


B. single-stranded RNA virus.

Biology & Microbiology

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R plasmids

a. provide antibiotic resistance. b. provide a fertility factor. c. provide reliance to bacteria. d. provide recombination to bacteria. e. provide nutrients.

Biology & Microbiology

Suppose you want to DECREASE the aggressive behavior of an animal, and all you are allowed to use is a nutritional supplement. Which might be a good choice?

a. increase tryptophan b. decrease thiamine c. decrease lecithin d. increase phenylalanine

Biology & Microbiology

Bacterial toxins are chemical products made by bacteria. A person ingests some honey containing Clostridium botulinum. The C. botulinum is actively growing and releases toxin in the honey. The person becomes ill from ingesting the toxin. This is an example of a/an ________.

A. infection B. intoxication C. pandemic D. hemolysin E. toxemia

Biology & Microbiology

Tunde is worried that she has diabetes since a lot of her family has it. Which of the following blood findings would set her mind most at ease?

A) 400 mg/dl glucose B) 90 mg/dl glucose C) 30% Hb A1c hemoglobin D) 9% Hb A1c hemoglobin

Biology & Microbiology