Clostridium botulinum is made virulent by incorporated prophage genes encoding the botulinum toxin. What term describes this process?

A. adsorption
B. budding
C. lysogenic conversion
D. latent phase
E. lytic phase


Answer: C

Biology & Microbiology

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What is the function of the poly A tail?

A. The poly A tail is required for the proper exit of mRNA from the nucleus. B. The poly A tail allows mRNA to bind to the ribosome. C. The poly A tail increases mRNA stability in eukaryotes. D. The poly A tail increases mRNA stability in prokaryotes. E. The poly A tail serves as a termination sequence for RNA polymerase III.

Biology & Microbiology

The ____ functions as the body’s thermostat

a. glands b. muscles c. brain stem d. sensory receptors e. hypothalamus

Biology & Microbiology

An ?NH2 group is a(n) ____ group

a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl

Biology & Microbiology

In a paternity case, bands from DNA fingerprinting that are common to both the biological mother and the child are identified and eliminated from further consideration. If the remaining bands can be matched to the presumed father, 

A. it is extremely likely that he is the father. B. it is extremely unlikely that he is the father. C. there is no doubt, he is the father. D. DNA fingerprinting cannot be used to determine paternity.

Biology & Microbiology