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- Question
Rocket Immunodiffusion is also known as
Options- A. gel diffusion
- B. electroimmunodiffusion
- C. double-diffusion
- D. none of these
- Correct Answer
- electroimmunodiffusion
- 1. The competitive immunoassay can be used
Options- A. to detect very small amounts of antigen
- B. to detect antibody associated with allergies (IgE)
- C. both (a) and (b)
- D. commonly to detect trace amounts of drugs. Discuss
- 2. What radioactive molecule is used to end-label an oligonucleotide?
Options- A. (alpha)-32P-ATP
- B. (alpha)-32P-dUTP
- C. (gamma)-32P-ATP
- D. Any of these Discuss
- 3. The humoral immune response relies on the production of soluble proteins called
Options- A. antibodies
- B. macromolecules
- C. lymphocytes
- D. none of these Discuss
- 4. Antibodies of the IgG class
Options- A. consist of four subunits
- B. are glycoproteins
- C. are secreted into the bloodstream
- D. all of the above Discuss
- 5. Which species lack immunoglobulin light chains?
Options- A. Camels
- B. Humans
- C. cows
- D. Buffalo Discuss
- 6. Which of the following is a positively charged matrix for ion exchange chromatography?
Options- A. CM cellulose
- B. DEAE cellulose
- C. Phosphocellulose
- D. None of these Discuss
- 7. What is approximatively the half life of 32-Phosphorus?
Options- A. 14 days
- B. 28 days
- C. 42 days
- D. 30 days Discuss
- 8. What would happen if serum is omitted from the ELISA, but all other steps remain same?
Options- A. Anti-human Ig-conjugate would not bind and be washed away
- B. The OD values would be nearly the same as the assay control
- C. Both (a) and (b)
- D. Anti-human Ig-conjugate would bind non-specifically to the ELISA plate Discuss
- 9. RAST test (radio allergosorbent test) is often used to detect
Options- A. antibodies associated with allergies (IgE)
- B. antigen associated with allergies (IgE)
- C. bacteriophages
- D. None of the above Discuss
- 10. What is the ELISA test intended to measure?
Options- A. Antibody to HIV only
- B. Antigen to HIV only
- C. Presence of free, circulating virus in the patient
- D. Antibodies directed against HLA molecules Discuss
Immunological Techniques problems
Search Results
Correct Answer: both (a) and (b)
Correct Answer: (gamma)-32P-ATP
Correct Answer: antibodies
Correct Answer: all of the above
Correct Answer: Camels
Correct Answer: DEAE cellulose
Correct Answer: 14 days
Correct Answer: Both (a) and (b)
Correct Answer: antibodies associated with allergies (IgE)
Correct Answer: Antibody to HIV only
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