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DNA Structure and Replication

DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
S phase
M phase
G1 phase

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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
both (a) and (b)
chemical method
physical method

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DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
4 replication forks
2 replication forks
1 replication forks

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, gyrase
Single stranded protein, DNAa
DNAa, gyrase
DNAb, DNA polymerase

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

helicase
strandase
DNA polymerase
none of these

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DNA Structure and Replication
The chromosomal DNA complexes with

four types of histone as H1, H2A, H3 and H4
five types of histone as H1, H2A, H2B, H3 and H4
two types of histone as H1 and H4
three types of histone as H1, H2A and H4

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MORE MCQ ON DNA Structure and Replication

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