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Home ‣ Microbiology ‣ Viruses in Eukaryotes See What Others Are Saying!
- Question
The hepadnaviruses such as hepatitis B virus are quite different from other DNA viruses with respect to genome replication. These replicate their DNA using
Options- A. DNA-dependent DNA polymerase
- B. reverse transcriptase
- C. Rnase H
- D. DNA ligase
- Correct Answer
- reverse transcriptase
- 1. The substance(s) which can be produced by strains of Pseudomonas aeruginosa is/are
Options- A. Exotoxins A and S
- B. Elastase
- C. Haemolysins
- D. All of these Discuss
- 2. Sylvatic plague occurs in
Options- A. mice
- B. squirrels
- C. chipmunks
- D. all of these Discuss
- 3. If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in
Options- A. cellular bicarbonate
- B. the fatty acids
- C. the cytoplasmic membrane
- D. nucleic acids Discuss
- 4. Chemically the capsule may be
Options- A. polypeptide
- B. polysaccharide
- C. either (a) or (b)
- D. none of these Discuss
- 5. Which of the following possesses both 5'-3' and 3'-5' exonuclease activity?
Options- A. Kornberg enzyme
- B. DNA polymerase III
- C. Taq DNA polymerase
- D. None of these Discuss
- 6. The screening test/s for diagnosis of HIV infection is/are
Options- A. ELISA
- B. Latex agglutination
- C. Dot blot assay
- D. all of these Discuss
- 7. Which of the following is not an aminoglycoside antibiotic?
Options- A. Streptomycin
- B. Neomycin
- C. Kanamycin
- D. Cephalosporin Discuss
- 8. Typical drumstick appearance of bacilli is generally seen in
Options- A. C perfringens
- B. C botulinum
- C. C tetani
- D. C histolyticum Discuss
- 9. The structure responsible for motility of bacteria is
Options- A. pilli
- B. flagella
- C. sheath
- D. capsules Discuss
- 10. Following are the defenses of the colon except
Options- A. sIgA
- B. fast flow rate
- C. dense resident microbiota
- D. mucus Discuss
More questions
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: cellular bicarbonate
Correct Answer: either (a) or (b)
Correct Answer: Kornberg enzyme
Correct Answer: all of these
Correct Answer: Cephalosporin
Correct Answer: C tetani
Correct Answer: flagella
Correct Answer: fast flow rate
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