Retroviruses are characterized by ____.
A. RNA that is used as a template to produce DNA in a host cell
B. integrating RNA into the host’s chromosome
C. the enzyme alkaline phosphatase
D. having one strain that causes H1N1
E. the lack of a protein coat
Answer: A
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To make a vaccine against mumps, measles, or rabies, which type of viruses would be useful?
A) dsDNA viruses B) negative-sense ssRNA viruses C) positive-sense ssRNA viruses D) dsRNA viruses
Biomining takes advantage of prokaryotes ability to ________ metals.
A. reduce B. reduce the solubility of C. oxidize D. directly solubilize E. bioaccumulate
Which of the following is the scientific name for the common mushroom consumed by humans as a food source?
a. Saccharomyces b. Candida c. Agaricus d. Penicillium