AZT is an effective drug for treating HIV-infected individuals because it prevents the replication of new viral particles. The HIV virus has a genome made of RNA. Of the following, which represents the most likely target for the action of AZT?
A) DNA in the host cell
B) cell wall of the virus
C) reverse transcriptase in the virus
D) DNA ligase in the host cell
C
You might also like to view...
Which one of the following is an exception to the rules of the genetic code?
A. Specific codons specify the same amino acids in Escherichia coli cells as inhuman cells. B. The codon UGA is a stop codon in the mitochondria of higher plants. C. A selenocysteine amino acid is incorporated into proteins in response to a UAG codon. D. The cell only requires 32 different tRNAs to recognize 61 different codons.
The occurrence of which of the following events would indicate that a population was not in Hardy-Weinberg equilibrium? a. Mating is random
b. All individuals survive and produce the same number of offspring. c. No gene flow occurs between the population and others of that species. d. Mutations are rare.
What type of DNA map is most detailed?
A. Sequence B. Physical C. Linkage D. Chromosomal E. Geographical
Aerobic respiration consumes gas and generates gas as a waste product.
A. oxygen; carbon dioxide B. nitrogen; carbon dioxide C. carbon dioxide; nitrogen D. oxygen; nitrogen E. carbon dioxide; oxygen