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DNA Structure and Replication

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

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

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

helicase
transposase
restriction endonuclease
reverse transcriptase

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

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

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DNA Structure and Replication
TM refers to the temperature at which

50% of a protein molecules are denatured
All of these
membranes are 50% fluid
50% of a DNA molecule is denatured

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

none of these
solenoid
kinoplast
halonoid

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA ligase
Telomerase
DNA polymerase
Primase

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