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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

endonuclease activity
nickase activity
no activity
exonuclease activity

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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
Guanine
Uracil
Phosphate

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Semi-conservative theory
Dispersive theory
Conservative theory
Evolutionary theory

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

1
ml
nl
μl

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One light, one medium and one heavy band
One medium and one heavy band
One medium band
One light and one medium band

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

Guanine
Cytosine
Thymine
Adenine

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