Histones - High Yield Topic Series

5 Questions | By Karthi_dr | Last updated: Feb 18, 2013 | Total Attempts: 51

Study the High-Yield topics carefully.

Questions and Answers

1.

Anti histone antibodies are seen in
- A.
  
  Drug induced lupus
- B.
  
  SLE
- C.
  
  Primary biliary Cirrhosis
- D.
  
  Dermatomyositis
2.

Histone acetylation leads to
- A.
  
  Euchromatin
- B.
  
  Heterochromatin
- C.
  
  Both of the above
- D.
  
  None of the above
3.

Poly A tail is usually present in 3' end of all pre-mRNA. But it is not present in the pre-mRNA of histone.
- A.
  
  True
- B.
  
  False
4.

Instead of poly A tail, which structure is present in the 3' end of the pre-mRNA of histone ?
- A.
  
  Stem loop
- B.
  
  Zinc finger
- C.
  
  Leucine zipper
- D.
  
  None of the above
5.

Select the wrong statement ?
- A.
  
  Histone methylation is in general associated with transcriptional repression
- B.
  
  Histone acetylation tends to destabilize chromatin structure
- C.
  
  Histone is rich in basic amino acids.
- D.
  
  H1 is a component of Histone octamer.

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