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MCQs

Total Questions : 348 | Page 33 of 35 pages
Question 321. Sequence-specific transcription factors can act as transcriptional activators or repressors.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 322. What percent of genes encode transcription factors?
  1.    5-10
  2.    15-20
  3.    40-50
  4.    50-60
 Discuss Question
Answer: Option A. -> 5-10
Answer: (a).5-10
Question 323. In cellular reprogramming, which of the following is removed during chromatin reorganization?
  1.    epigenetic marks
  2.    histones
  3.    lysosomes
  4.    nucleosomes
 Discuss Question
Answer: Option A. -> epigenetic marks
Answer: (a).epigenetic marks
Question 324. Which cells are pluripotent?
  1.    nucleosomes
  2.    embryonic stem cells
  3.    neurons
  4.    hepatocytes
 Discuss Question
Answer: Option B. -> embryonic stem cells
Answer: (b).embryonic stem cells
Question 325. Importance of transcription factors in embryonic stem cells was demonstrated in ______________
  1.    1990
  2.    1994
  3.    2000
  4.    2006
 Discuss Question
Answer: Option D. -> 2006
Answer: (d).2006
Question 326. Which type of enzymes is used in DNA footprinting?
  1.    RNA-digesting enzymes
  2.    RNA polymerases
  3.    DNA polymerases
  4.    DNA-digesting enzymes
 Discuss Question
Answer: Option D. -> DNA-digesting enzymes
Answer: (d).DNA-digesting enzymes
Question 327. Microarrays used in the ChIP experiments contain non-coding DNA.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 328. Chromatin immuno-precipitation is induced by _____________________
  1.    antigens
  2.    antibodies
  3.    anti-histamines
  4.    anti-allergens
 Discuss Question
Answer: Option B. -> antibodies
Answer: (b).antibodies
Question 329. Analogues of glucocorticoids are prescribed as ________________ agents.
  1.    sedative
  2.    anti-fertility
  3.    anti-inflammatory
  4.    anti-aging
 Discuss Question
Answer: Option C. -> anti-inflammatory
Answer: (c).anti-inflammatory
Question 330. Which enzyme is used to kill the cells in genome-wide location analysis?
  1.    luciferase
  2.    endonuclease
  3.    exonuclease
  4.    formaldehyde
 Discuss Question
Answer: Option D. -> formaldehyde
Answer: (d).formaldehyde

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