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DNA Structure and Replication

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

None of these
S
B
H

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DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Thymine
Adenine
Cytosine
Guanine

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

absorption
density
adhesion
resorption

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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 helicase + ATP
are removed by Pol I
result in Okazaki fragments on leading strand

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

Lagging strand, ligase
tRNA, polymerase
mRNA, anticodons
Leading strand, polymerase

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA helicases
single stranded binding proteins
DNA topoisomerase
ligase

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