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DNA Structure and Replication

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

dATP
all of these
dGTP and dCTP
dTTP

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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?

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

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It binds to adenine
It binds to phosphate
It does not interact

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
gyrase
polymerase
RNA ligase

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

μl
1
ml
nl

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

single stranded binding proteins
DNA helicases
ligase
DNA topoisomerase

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