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DNA Structure and Replication

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

DNA polymerase
Primase
DNA ligase
Telomerase

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Pro
an initiation codon
Ori
a promoter

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

all of these
dTTP
dGTP and dCTP
dATP

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

comparison with a molecular weight standard such as Hind III digested phage lambda
fluorescence in UV light
the sedimentation coefficient
the time it takes the gel to run

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

DNA topoisomerase
DNA helicases
single stranded binding proteins
ligase

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' exonuclease
3' → 5' exonuclease
All of these
5' → 3' polymerase

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