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Home ‣ Microbiology ‣ Heated Canned Foods See What Others Are Saying!
- Question
The canned acid foods such as pineapple, tomatoes and pears have been found spoiled by C. pasteurianum. Such spoilage is more likely when the pH of the food is
Options- A. >4.5
- B. <4.5
- C. >5.3
- D. <5.3
- Correct Answer
- >4.5
- 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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