Discussion
Home ‣ Microbiology ‣ Antimicrobial Chemotherapeutic Agents See What Others Are Saying!
- Question
Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance?
Options- A. Pencillins
- B. Choloramphenicol
- C. Aminoglyosides
- D. All of these
- Correct Answer
- All of these
- 1. The precursor of Penicillin G is
Options- A. phenoxy acetic acid
- B. phenyl acetic acid
- C. hydroxy phenyl acetic acid
- D. none of these Discuss
- 2. Which of the following statement defines a replicon?
Options- A. A DNA molecule that encodes pili for conjugation
- B. A DNA molecule that is able to replicate and be maintained
- C. A DNA template which is used in transcription
- D. The enzyme responsible for transposition Discuss
- 3. The final electron acceptor in the electron transport chain is
Options- A. CoQ
- B. a cytochrome
- C. FMN
- D. oxygen Discuss
- 4. Bacteria which produces coagulase is
Options- A. S epidermidis
- B. S saprophyticus
- C. S aureus
- D. S hominis Discuss
- 5. Which of the following three codons translate as serine (Ser)?
Options- A. AGU
- B. CGA
- C. CAU
- D. AUG Discuss
- 6. During the first 10 minutes after injection of phage DNA, no phage can be recovered by disrupting the infected bacterium. This is termed as
Options- A. eclipse period
- B. rise period
- C. latent period
- D. burst size Discuss
- 7. Which of the termination codon is called amber?
Options- A. UAA
- B. UAG
- C. UGA
- D. AUG Discuss
- 8. Counter-immunoelectrophoresis is used for the detection of
Options- A. Meningococcal antigen
- B. Hepatitis B surface antigen
- C. Alpha-fetoprotein
- D. All of these Discuss
- 9. A viral load test detects the
Options- A. provirus of HIV in infected cells
- B. total amount of virus in the infected host
- C. number of viruses being released by each infected cell
- D. amount of bacteriophage being produced by E. coli cells Discuss
- 10. Changes in which of the following characterizes mutations?
Options- A. Phenotype
- B. Genotype
- C. Both (a) and (b)
- D. None of these Discuss
More questions
Correct Answer: phenyl acetic acid
Correct Answer: A DNA molecule that is able to replicate and be maintained
Correct Answer: oxygen
Correct Answer: S aureus
Correct Answer: AGU
Correct Answer: eclipse period
Correct Answer: UAG
Correct Answer: All of these
Correct Answer: provirus of HIV in infected cells
Correct Answer: Both (a) and (b)
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