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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
dGTP and dCTP
dATP

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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
W.H. Bragg
L. Pauling
R. Franklin

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

negative pole
will not migrate
positive pole
none of these

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DNA Structure and Replication
Reverse transcriptase produces

RNA from RNA
RNA from DNA
DNA from peptides
DNA from RNA

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

None of these
Chromosomes would become progressively shorter
Chromosomes would get longer
Nothing would happen

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA polymerase
Helicase
Primase
DNA ligase

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