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- Question
The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as
Options- A. nitrification
- B. denitrification
- C. nitrogen fixation
- D. ammonification
- Correct Answer
- denitrification
- 1. RNA populations can also be used as PCR templates after reverse transcription into
Options- A. c DNA
- B. t RNA
- C. m DNA
- D. r RNA Discuss
- 2. Which type of interferon is produced by T lymphocytes?
Options- A. ?
- B. ?
- C. ?
- D. ? and ? Discuss
- 3. Agglutination reaction is more sensitive than precipitation for the detection of
Options- A. antigens
- B. antibodies
- C. complement
- D. antigen-antibody complexes Discuss
- 4. Intracytoplasmic inclusion bodies are found in cells infected with
Options- A. Rabies virus
- B. Vaccinia virus
- C. Fowlpox virus
- D. all of these Discuss
- 5. The immediate source of the flat sour bacteria is usually the
Options- A. plant equipment
- B. sugar
- C. starch
- D. soil Discuss
- 6. The yield of phage per bacterium is called the
Options- A. eclipse size
- B. latent size
- C. burst size
- D. none of these Discuss
- 7. Which of the following is the phylogenetically oldest immunoglobulin?
Options- A. IgE
- B. IgM
- C. IgG
- D. All are similar Discuss
- 8. Which of the following structure(s) is /are external to cell wall?
Options- A. Flagella
- B. Stalks
- C. Sheath
- D. All of these Discuss
- 9. Characteristics used to place algae into divisions include all of the following except
Options- A. form of storage material
- B. flagella number and location
- C. accessor pigments used in photosynthesis
- D. all of the above Discuss
- 10. The repressor protein, since the cell is resistant to lysis from externally infecting phage, is also called
Options- A. immunity repressor
- B. immunity operon
- C. operon repressor
- D. none of these Discuss
More questions
Correct Answer: c DNA
Correct Answer: ?
Correct Answer: antigens
Correct Answer: all of these
Correct Answer: plant equipment
Correct Answer: burst size
Correct Answer: IgM
Correct Answer: All of these
Correct Answer: all of the above
Correct Answer: immunity repressor
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