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- Question
A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive?
Options- A. It contains DNA
- B. It is made of a single cell
- C. It utilizes energy
- D. All of these
- Correct Answer
- It utilizes energy
- 1. The most selective antibiotics are those that interfere with the synthesis of
Options- A. bacterial DNA
- B. bacterial RNA
- C. bacterial cell walls
- D. bacterial plasma membrane Discuss
- 2. A parenteral route of drug administration refers to
Options- A. oral
- B. nonoral
- C. intravenously
- D. intramuscularly Discuss
- 3. Peptidoglycan is found only in the bacterial
Options- A. cell membrane
- B. glycocalyx
- C. cell wall
- D. spore Discuss
- 4. The plasmid-mediated properties is/are
Options- A. fermentation of lactose
- B. production of enterotoxin
- C. resistance to antibiotics
- D. all of these Discuss
- 5. The sequence of nucleic acid in a variety of viruses and viral host, will find more similarities
Options- A. among different viruses than between viruses and their hosts
- B. among different viral hosts than among different viruses
- C. among different viral hosts than between viruses and their hosts
- D. between viruses and their hosts than among different viruses Discuss
- 6. The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as
Options- A. packed generator
- B. trickle method
- C. Orleans process
- D. both (a) and (b) Discuss
- 7. The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an example of __________ at work.
Options- A. Shelford's law of tolerance
- B. Leibig's law of the minimum
- C. the first law of thermodynamics
- D. the third law of thermodynamics Discuss
- 8. The correct term for the transfer of genetic material between bacteria in direct physical contact is
Options- A. conjugation
- B. transformation
- C. replication
- D. transduction Discuss
- 9. Which of the following term describes the relationship between a virus and host where no new viral particles are produced and the viral genome is replicated along with host chromosome?
Options- A. Lysogeny
- B. Lysis
- C. Transformation
- D. Conjugation Discuss
- 10. Which of the following transport bacterial DNA to other bacteria via bacteriophages?
Options- A. Conjugation
- B. Transduction
- C. Transformation
- D. Translation Discuss
More questions
Correct Answer: bacterial cell walls
Correct Answer: nonoral
Correct Answer: cell wall
Correct Answer: all of these
Correct Answer: between viruses and their hosts than among different viruses
Correct Answer: both (a) and (b)
Correct Answer: the first law of thermodynamics
Correct Answer: conjugation
Correct Answer: Lysogeny
Correct Answer: Transduction
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