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MCQs

Total Questions : 301 | Page 28 of 31 pages
Question 271. The ionic state of amino acids depends upon
  1.    pH of solution
  2.    pH of solute
  3.    pH of solvent
  4.    Pressure
 Discuss Question
Answer: Option A. -> pH of solution
Answer: (a).pH of solution
Question 272. Electromotive force that is used to move the molecules through the gel matrix refers to
  1.    southern blotting
  2.    northern blotting
  3.    cloning
  4.    Gel electrophoresis
 Discuss Question
Answer: Option D. -> Gel electrophoresis
Answer: (d).Gel electrophoresis
Question 273. In gel electrophoresis the fragments are separated on basis of
  1.    size
  2.    charge
  3.    both a and b
  4.    Temperature sensitivity
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 274. Polyacrylamide gel is usually used for
  1.    proteins
  2.    DNA
  3.    both a and b
  4.    Vitamins
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 275. Method used for detection of a specific DNA sequence in DNA samples is known as
  1.    Northern blotting
  2.    Electrophoresis
  3.    southern blotting
  4.    Westren blotting
 Discuss Question
Answer: Option C. -> southern blotting
Answer: (c).southern blotting
Question 276. In the buffer nucleic acids are often denatured by using
  1.    urea
  2.    ammonia
  3.    phosphorus
  4.    calcium
 Discuss Question
Answer: Option A. -> urea
Answer: (a).urea
Question 277. The smaller incoming molecule that binds to protein is called
  1.    Ligand
  2.    binding site
  3.    macro molecule
  4.    micro molecule
 Discuss Question
Answer: Option A. -> Ligand
Answer: (a).Ligand
Question 278. The total number of binding sites that are occupied by ligands per unit time is called
  1.    collaboration of binding site
  2.    saturation of binding site
  3.    affinity of binding site
  4.    Inhibition
 Discuss Question
Answer: Option B. -> saturation of binding site
Answer: (b).saturation of binding site
Question 279. The affinity of binding of protein and ligand is chemically
  1.    attractive force
  2.    repulsive force
  3.    hydrogen bonding
  4.    coordinate covalent bonding
 Discuss Question
Answer: Option A. -> attractive force
Answer: (a).attractive force
Question 280. Most of the binding sites in proteins are
  1.    convex
  2.    flat
  3.    concave
  4.    Triangular
 Discuss Question
Answer: Option C. -> concave
Answer: (c).concave

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