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DNA Structure and Replication

DNA Structure and Replication
A cesium chloride will separate DNA molecules by

resorption
absorption
density
adhesion

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DNA Structure and Replication
An RNA primer is synthesized by

primase
ligase
DNA helicases
DNA topoisomerase

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Phosphate
Guanine
Uracil

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

S
None of these
B
H

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DNA Structure and Replication
DNA replication results in

one new DNA molecules 1 old molecule
one new molecule of RNA
two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules

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DNA Structure and Replication
The RNA primers used to initiate replication in E. coli

are joined together by DNA ligase
are removed by Pol I
result in Okazaki fragments on leading strand
are removed by helicase + ATP

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