In order to show that DNA in cell extracts is responsible for genetic transformation in pneumococcus, important corroborating evidence should indicate that _______ also destroy transforming activity.
A: enzymes that hydrolyze DNA
B: enzymes that hydrolyze RNA
C: enzymes that hydrolyze polysaccharides
D: boiling
E: enzymes that hydrolyze proteins
Answer: A: enzymes that hydrolyze DNA
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In the catabolism of arginine to generate ATP in Mollicutes, the first reaction is catalyzed by ________.
A. ATP synthetase B. arginine deaminase C. Embden-Meyerhof pathways D. Pentose phosphate pathways
Dinoflagellates
a. may produce bioluminescent tides that poison and kill fish. b. are parasites of fish and invertebrates. c. may undergo a population explosion that colors the ocean. d. are aquatic producers in freshwater or marine habitats. e. have all of these characteristics
Which of the following microorganisms is NOT transmitted by sexual activities?
A) Neisseria gonorrhoeae B) Herpes Simplex Virus C) Trichomonas vaginalis D) Trepnema pallidum E) Helicobacter pylori
Why are STDs so easily spread?
What will be an ideal response?