53) Viruses are usually composed of combinations of
A) carbohydrates and nucleic acids.
B) proteins and nucleic acids.
C) fats and proteins.
D) proteins and carbohydrates.
54) In infected cells, DNA viruses directly
A) interfere with DNA replication.
B) interfere with cell membrane construction.
C) interfere with protein synthesis.
D) interfere with all of the above cell processes.
55) Retroviruses are
A) RNA viruses that synthesize DNA.
B) RNA viruses that interfere directly with protein synthesis.
C) DNA viruses that synthesize RNA.
D) DNA viruses that interfere directly with protein synthesis.
56) In infected cells, RNA viruses directly
A) interfere with carbohydrate synthesis.
B) interfere with cell membrane construction.
C) interfere with protein synthesis.
D) interfere with all of the above cell processes.
57) Which of the following are NOT used as antiviral drugs in the treatment of HIV and AIDS?
A) antipyretics
B) nucleoside analogs
C) protease inhibitors
D) reverse transcriptase inhibitors