Discussion
Home ‣ Microbiology ‣ Polymerase Chain Reaction Comments
- Question
Polymerase chain reaction basically consists of
Options- A. two steps
- B. three steps
- C. four steps
- D. five steps
- Correct Answer
- three steps
- 1. The PCR/sequencing approach to rRNA is most likely to give information about
Options- A. the species to which the bacteria are most closely related
- B. morphology of the bacterium
- C. the type of energy metabolism the bacterium has
- D. whether the bacterium is motile Discuss
- 2. Which of the following infection(s) can be diagnosed by the use of polymerase chain reaction?
Options- A. HIV-1 and HIV-2 viruses
- B. Hepatitis B virus
- C. Mycobacterium tuberculosis
- D. All of these Discuss
- 3. The efficiency of amplification in PCR in later cycles is reduced due to
Options- A. reduction in substrate concentration
- B. insufficient enzyme and time to synthesize mass quantity of DNA
- C. build up of PCR product which competes with primers for hybrid formation
- D. all of these Discuss
- 4. The template for PCR is
Options- A. RNA
- B. single stranded DNA
- C. double stranded DNA
- D. none of these Discuss
- 5. The original enzyme(s) used in PCR reaction is/are known as
Options- A. E. coli DNA polymerase
- B. E. coli RNA polymerase
- C. Taq polymerase
- D. all of these Discuss
- 6. 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
- 7. The class of immunoglobulins which can cross the placenta is
Options- A. IgM
- B. IgG
- C. IgA
- D. IgD Discuss
- 8. Heat-labile class of immunoglobulins include
Options- A. IgA
- B. IgE
- C. IgG
- D. IgM Discuss
- 9. Which of the following (s) is/are function (s) of Fc fragment of IgG?
Options- A. It determines catabolic rate
- B. It binds complement
- C. It is related to passage of IgG across the placental barrier
- D. All of these Discuss
- 10. J chain is present in
Options- A. IgA
- B. IgM
- C. Both (a) and (b)
- D. IgE Discuss
Polymerase Chain Reaction problems
Search Results
Correct Answer: the species to which the bacteria are most closely related
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: double stranded DNA
Correct Answer: E. coli DNA polymerase
Correct Answer: c DNA
Correct Answer: IgG
Correct Answer: IgE
Correct Answer: All of these
Correct Answer: Both (a) and (b)
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