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MCQs

Total Questions : 369 | Page 36 of 37 pages
Question 351. In SDS electrophoresis, the proteins are separated on the basis of
  1.    charge
  2.    mass
  3.    both a and b
  4.    structure
 Discuss Question
Answer: Option B. -> mass
Answer: (b).mass
Question 352. In agarose gel electrophoresis, the DNA is moved towards the
  1.    cathode
  2.    anode
  3.    DNA doesn't move
  4.    Moves slowly
 Discuss Question
Answer: Option A. -> cathode
Answer: (a).cathode
Question 353. In eukaryotes the initiation codons always codes for
  1.    methionine
  2.    cytosine
  3.    Met
  4.    Valine
 Discuss Question
Answer: Option A. -> methionine
Answer: (a).methionine
Question 354. A technique which separates charged particles using electric field is
  1.    Hydrolysis
  2.    electrophoresis
  3.    protein synthesis
  4.    protein denaturing
 Discuss Question
Answer: Option B. -> electrophoresis
Answer: (b).electrophoresis
Question 355. If proteins are separated according to their electrophoretic mobility than the type of electrophoresis is
  1.    SDS page
  2.    free flow electrophoresis
  3.    electro focusing
  4.    affinity electrophoresis
 Discuss Question
Answer: Option A. -> SDS page
Answer: (a).SDS page
Question 356. When the molecule relieves the helical stress by twisting around itself than the phenomena is called
  1.    coiling
  2.    supercoiling
  3.    elongation
  4.    compression
 Discuss Question
Answer: Option B. -> supercoiling
Answer: (b).supercoiling
Question 357. Changing the twist from relaxed state requires adding energy and increases the
  1.    stress along the molecule
  2.    strain over the molecule
  3.    forces in the molecule
  4.    Collusion between the molecules
 Discuss Question
Answer: Option A. -> stress along the molecule
Answer: (a).stress along the molecule
Question 358. Over twisting a molecule leads to
  1.    positive supercoiling
  2.    negative supercoiling
  3.    elongation
  4.    compression
 Discuss Question
Answer: Option A. -> positive supercoiling
Answer: (a).positive supercoiling
Question 359. When DNA helix has normal number of base pairs per helical turn than it is in
  1.    coiled state
  2.    supercoiled state
  3.    normal state
  4.    elongated state
 Discuss Question
Answer: Option C. -> normal state
Answer: (c).normal state
Question 360. The triplet bases on DNA and mRNA is known as
  1.    code
  2.    codon
  3.    Anti-codon
  4.    Response
 Discuss Question
Answer: Option B. -> codon
Answer: (b).codon

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