HIV uses which of the following processes to synthesize a DNA strand using its RNA genome as a template?
a) conjugation
b) reverse translation
c) reverse transcription
d) transcription
e) translation
Ans: c) reverse transcription
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Which of the following kinds of fungi is NOT an ascomycete?
A. cup fungi B. yeasts C. morels D. truffles E. bread mold
A microbiologist inoculates a flask of broth to a concentration of 100 bacterial cells per ml. The generation time of the species is 1 hour, and there is no lag phase. How long will it be before the culture contains more than 6,000 cells per ml?
A) 12 hours B) 6 hours C) 2 hours D) 4 hours E) 10 hours
Atomic force microscopes use a scanning probe that maintains a fixed distance from the surface of the specimen. It is useful for specimens that ________.
A. neither do not conduct electricity well nor have extremely uneven surfaces is correct B. both do not conduct electricity well and have extremely uneven surfaces are correct C. do not conduct electricity well D. have extremely uneven surfaces
In the following pathway, mutation of enzyme II would result in the accumulation of ______________ and the mutant would require _____________ in the media in order to grow
A. Citrulline : arginine B. Ornithine : citrulline C. Precursor : ornithine D. Ornithine : precursor E. Arginine : citrulline