14. Unwinding of the DNA is done by which enzyme?
A Ligase
B. Helicase C. Hexonuclease D. DNA polymerase
15. By the end of DNA replication, a new DNA is formed with what structure?
A Hexagonal B. Linear
C. Double Helix
D. Planar
16. The synthesis of DNA by DNA polymerase occurs in the
A 3' to 5 direction
C. 5 to 3 direction
B. 5 to 5' direction
D. 3 to 3 direction
17. 11. Protein synthesis refers to the;
A. process of formation of amino acids from mRNA
B. process of formation of amino acids directly from a DNA template
C. process of formation of mRNA from DNA template
D. process of duplicating DNA required for protein synthesis
18. When DNA replication starts,
A. The phosphodiester bonds between the adjacent nucleotides break
B. The bonds between the nitrogen base and deoxyribose sugar break
C. The leading strand produces Okazaki fragments
D. The hydrogen bonds between the nucleotides of two strand break
19. During DNA replication, the synthesis of DNA on the laggings strand takes place in
segments, these segments are called.
A. Satellite segments
C. Kornberg segments
B. Double helix segments
D. Okazaki segments
20. True replication of DNA is possible due to:
A. Hydrogen bonding
C. Complementary base pairs
B. Phosphate backbone
D. None of the above​


Sagot :

Answer:

14. Unwinding of the DNA is done by which enzyme?

  • B. Helicase

15. By the end of DNA replication, a new DNA is formed with what structure?

  • B. Linear

16. The synthesis of DNA by DNA polymerase occurs in the

  • A 3' to 5 direction

17. Protein synthesis refers to the;

  • C. process of formation of mRNA from DNA template

18. When DNA replication starts,

  • C. The leading strand produces Okazaki fragments

19. During DNA replication, the synthesis of DNA on the laggings strand takes place in segments, these segments are called.

  • D. Okazaki segments

20. True replication of DNA is possible due to:

  • C. Complementary base pairs

Explanation:

  • Helicase is the Unwinding of the DNA is done by which enzyme.
  • Linear is the end of DNA replication, a new DNA is formed with what structure.
  • 3' to 5 direction is the synthesis of DNA by DNA polymerase occurs.
  • Protein synthesis refers to the process of formation of mRNA from DNA template.
  • When DNA replication starts to the leading strand produces Okazaki fragments
  • During DNA replication, the synthesis of DNA on the laggings strand takes place in segments, these segments are called Okazaki segments.
  • True replication of DNA is possible due to Complementary base pair

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Answer:

14. B.

15. C.

16. C.

17. D.

18.C.

19.D.

20.C.