BackA drug that intercalates into DNA has the following effects. Which one leads to the others?
a. It disrupts transcription
b. It disrupts translation
c. It interferes with DNA replication
d. It causes mutations
e. It alters proteins
Which of the following chemicals is active against bacterial endospores?
a. Copper ions
b. Ethylene oxide
c. Ethanol
d. Triclosan
_______________ inhibit the growth of bacteria & ____________________ kill bacteria.
All of the following are modes of action of antiviral drugs except:
a. Inhibition of protein synthesis at 70S ribosomes
b. Inhibition of DNA synthesis
c. Inhibition of RNA synthesis
d. Inhibition of uncoating
e. All of the above are modes of action of antiviral drugs
Why do warm disinfectant chemicals generally work better than cool ones?
Which of the following terms best describes the disinfecting of cafeteria plates?
a. Pasteurization
b. Antisepsis
c. Sterilization
d. Sanitization
Use the following information to answer questions 6 and 7. The data were obtained from a use-dilution test comparing four disinfectants against Salmonella Choleraesuis.
G = growth, NG = no growth
Which disinfectant is the most effective?
Use the following information to answer questions 6 and 7. The data were obtained from a use-dilution test comparing four disinfectants against Salmonella Choleraesuis.
G = growth, NG = no growth
Which disinfectant(s) is (are) bactericidal?
a. A,B,C, and D
b. A,C, and D
c. A only
d. B only
e. None of the above