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DNA Structure and Replication

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

dTTP
all of these
dATP
dGTP and dCTP

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

6500 kilobase
5500 kilobase
4500 kilobase
3000 kilobase

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

M phase
G1 phase
G2 phase
S phase

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

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

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

primase
DNA ligase
helicase
DNA polymerase

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

strandase
helicase
none of these
DNA polymerase

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