Discussion
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- Question
The class of immunoglobulins which can cross the placenta is
Options- A. IgM
- B. IgG
- C. IgA
- D. IgD
- Correct Answer
- IgG
- 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. Polymerase chain reaction basically consists of
Options- A. two steps
- B. three steps
- C. four steps
- D. five steps Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. Heat-labile class of immunoglobulins include
Options- A. IgA
- B. IgE
- C. IgG
- D. IgM Discuss
- 7. 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
- 8. J chain is present in
Options- A. IgA
- B. IgM
- C. Both (a) and (b)
- D. IgE Discuss
- 9. Which is the most efficient complement fixing class of antibody?
Options- A. IgE
- B. IgA
- C. IgM
- D. IgG Discuss
- 10. Which is not a function of IgG?
Options- A. Major antibody in serum
- B. First antibody type produced against an antigen during the primary antibody response
- C. Activates or fixes complement
- D. Involved in opsonization Discuss
Antibody problems
Search Results
Correct Answer: c DNA
Correct Answer: three steps
Correct Answer: the species to which the bacteria are most closely related
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: IgE
Correct Answer: All of these
Correct Answer: Both (a) and (b)
Correct Answer: IgM
Correct Answer: First antibody type produced against an antigen during the primary antibody response
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