Discussion
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- Question
Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?
Options- A. Michaelis-Menten equation
- B. Haldanes equation
- C. Henderson-Hasselbalch equation
- D. Hardy-Windberg law
- Correct Answer
- Henderson-Hasselbalch equation
- 1. Which pyrimidine base contains an amino group at carbon 4?
Options- A. Cytosine
- B. Thymine
- C. Uracil
- D. Adenine Discuss
- 2. Molar absorbtivity is the measure of the
Options- A. amount of light absorbed per unit length
- B. amount of light absorbed per unit concentration
- C. amount of light reflected and absorbed per unit concentration
- D. None of the above Discuss
- 3. Which of the following is not a sensible grouping of amino acids based on their polarity properties?
Options- A. Ala, Leu, and Val
- B. Arg, His, and Lys
- C. Phe, Trp, and Tyr
- D. Asp, Ile, and Pro Discuss
- 4. Agarose a porous matrix used in various molecular biology technique is made by repetitive units of
Options- A. maltose
- B. agarobiose
- C. agar
- D. none of these Discuss
- 5. Which of these is part of the lymphoid system in humans?
Options- A. Liver
- B. Stomach
- C. Tonsils
- D. Kidneys Discuss
- 6. Sickle cell disease is due to
Options- A. a mutation in the beta chain of Hb
- B. a mutation in the alpha chain of Hb
- C. infection with a parasite
- D. none of the above Discuss
- 7. Immunoaffinity chromatography can be used in biochemical applications to
Options- A. break down antibody structure
- B. purify protein antigen
- C. break down antigen and analyze quantitatively
- D. none of the above Discuss
- 8. The ?-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ .
Options- A. 1.1, and 12.1
- B. 6.5, and 8.0
- C. 3.3, and 10.5
- D. 2.2, and 9.4 Discuss
- 9. The immunoglobulin fold is
Options- A. found only in IgG molecules
- B. a ?-barrel composed of a three- and a four-stranded antiparallel ?-sheet
- C. both (a) and (b)
- D. found six times in the IgG molecule Discuss
- 10. Which of the following is a purine?
Options- A. Cytosine
- B. Adenine
- C. Thymine
- D. Uracil Discuss
More questions
Correct Answer: Cytosine
Correct Answer: amount of light absorbed per unit concentration
Correct Answer: Asp, Ile, and Pro
Correct Answer: maltose
Correct Answer: Tonsils
Correct Answer: a mutation in the beta chain of Hb
Correct Answer: purify protein antigen
Correct Answer: 2.2, and 9.4
Correct Answer: a ?-barrel composed of a three- and a four-stranded antiparallel ?-sheet
Correct Answer: Adenine
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