In contrast to positive ssRNA viruses such as coronaviruses and polioviruses, the genome of retroviruses
A) lacks genes encoding for tRNA primers.
B) must first integrate into the host's genome before transcription.
C) is negative ssRNA.
D) lacks ribonuclease activity.
Answer: B
Biology & Microbiology
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The breakdown of proteins in animals results in what type of waste product(s)?
What will be an ideal response?
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The reactions of photosynthesis may be summarized as
A. 6CO + 6H2O ? C6H12O6 + 6O2 B. 12CO2 + 6H2O ? C12H12O6 + 6H2O C. 6CO + 6H2O ? C6H12O6 + 6H2O D. 6CO2 + 6H2O ? C6H12O6 + 6O2
Biology & Microbiology
Distilled water would be considered ____ to body cells
a. isotonic b. hypertonic c. hypotonic d. protonic e. aquatonic
Biology & Microbiology