Discussion
Home ‣ Microbiology ‣ Microbial Metabolism See What Others Are Saying!
- Question
Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in
Options- A. enzymes
- B. RNA
- C. phospholipids
- D. all of these
- Correct Answer
- all of these
- 1. In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via
Options- A. substrate level phosphorylation
- B. oxidative phosphorylation
- C. both (a) and (b)
- D. DNA Discuss
- 2. Which of the following is not a semi synthetic chemotherapeutic agent?
Options- A. Ampicillin
- B. Carbenicillin
- C. Penicillin
- D. Sulfonamide Discuss
- 3. Mycorrhizae are mutualistic associations between fungi and
Options- A. bacteria
- B. protozoa
- C. unicellular green algae
- D. vascular plants Discuss
- 4. Which of the following microorganism spoil poultry in polyethylene bags?
Options- A. Pseudomonas-achromobacter
- B. Alcaligenes
- C. hetero-fermentative species
- D. catalase negative bacteria Discuss
- 5. Which of the following(s) is/are porteolytic or putrefactive decomposing proteins with the production of malodorous compounds such as H2S, mercaptans, ammonia, indole and skatole?
Options- A. C. sporogenes
- B. C. putrifaciens
- C. both (a) and (b)
- D. C. butyricum Discuss
- 6. The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is
Options- A. transformation
- B. lysogenic conversion
- C. conjugation
- D. transduction Discuss
- 7. The organisms retained in the fluids filtered by Seitz filter is
Options- A. Proteus
- B. Staphylococcus
- C. Clostridium
- D. None of these Discuss
- 8. Which of the following disease is not caused by microbial protein toxin?
Options- A. Botulism
- B. Diphtheria
- C. Shigella dysentery
- D. Tuberculosis Discuss
- 9. The microorganisms that grow best in a low-oxygen environment is called a (n)
Options- A. aerobe
- B. anaerobe
- C. facultative
- D. microaerophile Discuss
- 10. Balanced growth is defined as
Options- A. cultures undergoing balanced growth while maintaining a constant chemical composition
- B. balancing the growth while controlling the pH
- C. balancing the growth while controlling the temperature
- D. balancing the growth while changing the nutrient composition Discuss
More questions
Correct Answer: both (a) and (b)
Correct Answer: Penicillin
Correct Answer: vascular plants
Correct Answer: Pseudomonas-achromobacter
Correct Answer: both (a) and (b)
Correct Answer: transformation
Correct Answer: None of these
Correct Answer: Tuberculosis
Correct Answer: microaerophile
Correct Answer: cultures undergoing balanced growth while maintaining a constant chemical composition
Comments
There are no comments.More in Microbiology:
Programming
Copyright ©CuriousTab. All rights reserved.