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DNA Structure and Replication

DNA Structure and Replication
Proteins involved in opening a replication bubble are

ligase
DNA topoisomerase
single stranded binding proteins
DNA helicases

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Leading strand, polymerase
mRNA, anticodons
Lagging strand, ligase

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

15%
30%
Guanine residue can not be calculated
60%

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DNA Structure and Replication
The packing ratio of nucleosomes is about

7
6
8
9

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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
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
kinoplast
none of these
solenoid

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