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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

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

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

more DNA polymerases are found in eukaryotes
RNA primers are not required in eukaryotes
eukaryotic DNA polymerases are faster
multiple origins of replication in eukaryotes

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DNA Structure and Replication
DNA gyrase in E. coli

performs the same function as helicase in eukaryotes
can be inhibited with antibiotics
is required only at the oriC site
adds positive supercoils to chromosomal DNA

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
G2 phase
M phase
S phase

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H1
Histone H3
Histones H2A and H2B
Histone H4

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

ligase
single stranded binding proteins
DNA topoisomerase
DNA helicases

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MORE MCQ ON DNA Structure and Replication

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