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MCQs

Total Questions : 282 | Page 2 of 29 pages
Question 11. Which of the following pair will produce complementary sticky ends?
  1.    Eco RI & MspI
  2.    Msp I & HPA II
  3.    Sau 3A & Bam HI
  4.    Mbo I & Sau 3A
 Discuss Question
Answer: Option C. -> Sau 3A & Bam HI
Answer: (c).Sau 3A & Bam HI
Question 12. A human cDNA library
  1.    contains DNA for specific human proteins
  2.    contains DNA for virtually all of the human proteins in vectors
  3.    cannot be used to obtain human genes because it would be radioactive
  4.    none of the above
 Discuss Question
Answer: Option B. -> contains DNA for virtually all of the human proteins in vectors
Answer: (b).contains DNA for virtually all of the human proteins in vectors
Question 13. Which of the following can be diagnosed by amniocentesis?
  1.    Down's syndrome
  2.    Cystic Fibrosis
  3.    Sickle cell anemia
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 14. What enzyme forms covalent bonds between restriction fragments?
  1.    DNA primase
  2.    DNA helicase
  3.    DNA polymerase
  4.    DNA ligase
 Discuss Question
Answer: Option D. -> DNA ligase
Answer: (d).DNA ligase
Question 15. Which of these restriction enzymes produce blunt ends?
  1.    SaII
  2.    EcoRV
  3.    XhoI
  4.    HindIII
 Discuss Question
Answer: Option B. -> EcoRV
Answer: (b).EcoRV
Question 16. The RP13 gene of chromosome 17 codes for a protein __________ .
  1.    involved in glucose transport
  2.    that is a component of hair and nails
  3.    involved in eye development
  4.    involved in the determination of personality
 Discuss Question
Answer: Option C. -> involved in eye development
Answer: (c).involved in eye development
Question 17. Isoschizomers recognize
  1.    same recognition sequence but different recognition site
  2.    same recognition site and recognition sequence
  3.    same recognition site and different recognition sequence
  4.    different recognition site and different recognition sequence
 Discuss Question
Answer: Option B. -> same recognition site and recognition sequence
Answer: (b).same recognition site and recognition sequence
Question 18. Restriction enzymes are named for
  1.    the person who discovered
  2.    the bacterium they are derived from
  3.    the viral DNA that they attack
  4.    none of the above
 Discuss Question
Answer: Option B. -> the bacterium they are derived from
Answer: (b).the bacterium they are derived from
Question 19. Which type of restriction enzymes do not usually require ATP?
  1.    Type I
  2.    Type II
  3.    Type III
  4.    Type IV
 Discuss Question
Answer: Option B. -> Type II
Answer: (b).Type II
Question 20. Which of these genes codes for a protein that plays a role in white blood cell function?
  1.    DCP1
  2.    MPO
  3.    GLUT4
  4.    RP13
 Discuss Question
Answer: Option B. -> MPO
Answer: (b).MPO

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