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DNA Structure and Replication

DNA Structure and Replication
Messelsen and Stahl model of replication was called

Cri du Chat
dispersive replication
semi-conservative replication
conservative replication

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

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

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

Leaderberg
L. Pauling
R. Franklin
W.H. Bragg

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

all of these
dGTP and dCTP
dATP
dTTP

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme
DNA + ATP + HU + DNAb
DNA+ ATP + HU + DNAb + DNAa
DNA + ATP + HU

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication origins
Replication forks
Okazaki fragments

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