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DNA Replication

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

Semiconservative nature of replication of eukaryotic chromosome was first demonstrated by _______________

a)

Walter Flemming on root tip cells of Vicia faba

b)

J. Herbert Taylor, Philip Wood and Walter Hughes on root tip cells of Vicia faba

c)

Walter Flemming on root tip cells of Phaseolus vulgaris

d)

J. Herbert Taylor, Philip Wood and Walter Hughes on root tip cells of Phaseolus vulgaris

2.

Pick the correct pair with respect to primers used in DNA replication.

a)

RNA primer- for prokaryotes only

b)

DNA primer-for eukaryotes only

c)

DNA primer- for both prokaryotes and eukaryotes

d)

RNA primer- for both prokaryotes and eukaryotes

3.

Which of the following is correctly matched with its subsequent role?

a)

Topoisomerase II- can remove both positive and negative supercoil in the DNA duplex

b)

Polymerase I- larger fragment responsible for exonuclease activity

c)

DnaA protein- responsible for “melting” of the DNA double helix during replication

d)

DnaB protein- attaches to the newly unwounded single strand of DNA to prevent folding of the strand

4.

Replication fork is the junction between the two ___________

a)

Unreplicated DNA

b)

Newly synthesized DNA

c)

Newly separated DNA strands and newly synthesized DNA strands

d)

Newly separated DNA strands and the unreplicated DNA

5.

Which of the following does not affect DNA replication?

a)

Antiparallel nature of DNA

b)

End specificity of polymerase

c)

SSB protein

d)

Helicase