Sail E0 Webinar

MCQs

Total Questions : 14 | Page 1 of 2 pages
Question 1.  Reverse transcripase from HIV does not
  1.    uses RNA as a template
  2.    has a 5' to 3' polymerase activity
  3.    has a 3'- 5' exonuclease activity
  4.    requires a primer
 Discuss Question
Answer: Option C. -> has a 3'- 5' exonuclease activity
Question 2.  The enzyme that joins DNA cuts is called
  1.    joinase
  2.    ligase
  3.    DNA phosphorylase
  4.    reverse transcriptase
 Discuss Question
Answer: Option B. -> ligase
Question 3.  The type II restriction endonucleases, bind to DNA sites
  1.    using H-bonds for specificity
  2.    that are usually palindromic
  3.    using non-sequence-dependent backbone interactions
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Question 4.  Which of the following amino acids can interact with the DNA or RNA nucleotide bases via hydrogen bonding?
  1.    Asn and Gln
  2.    Cys and Met
  3.    Lys and Leu
  4.    Ile and Val
 Discuss Question
Answer: Option A. -> Asn and Gln
Question 5.  Different DNA polymerases play distinct roles in DNA replication and repair in both prokaryotic and eukaryotic cells. All known DNA polymerases synthesize DNA only in the __________ by the addition of dNTPs to a performed primer strand of DNA.
  1.    positive direction
  2.    3' to 5' direction
  3.    5' to 3' direction
  4.    negative direction
 Discuss Question
Answer: Option C. -> 5' to 3' direction
Question 6.  Which of the following amino acids interact with the DNA or RNA backbone (i.e. phosphate)?
  1.    Ile and Val
  2.    Lys and Arg
  3.    Leu and Ala
  4.    Cys and Met
 Discuss Question
Answer: Option B. -> Lys and Arg
Question 7.  Cleavage of DNA by EcoRI endonuclease results in the formation of
  1.    two 3'-OH ends and two 5'-phosphate ends
  2.    one 3'-OH end and one 5'-phosphate end
  3.    two 3'-phosphate ends and two 3'-OH ends
  4.    one 3'-OH end and two 5'-phosphate end
 Discuss Question
Answer: Option A. -> two 3'-OH ends and two 5'-phosphate ends
Question 8.  Reverse transcripase from HIV does not
  1.    uses RNA as a template
  2.    has a 5' to 3' polymerase activity
  3.    has a 3'- 5' exonuclease activity
  4.    requires a primer
 Discuss Question
Answer: Option C. -> has a 3'- 5' exonuclease activity
Question 9. . Different DNA polymerases play distinct roles in DNA replication and repair in both prokaryotic and eukaryotic cells. All known DNA polymerases synthesize DNA only in the __________ by the addition of dNTPs to a performed primer strand of DNA.
  1.    positive direction
  2.    3' to 5' direction
  3.    5' to 3' direction
  4.    negative direction
 Discuss Question
Answer: Option C. -> 5' to 3' direction
Question 10. . The type II restriction endonucleases, bind to DNA sites
  1.    using H-bonds for specificity
  2.    that are usually palindromic
  3.    using non-sequence-dependent backbone interactions
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0