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DNA Structure and Replication

DNA Structure and Replication
DNA replication takes place in which direction?

Randomly
3' to 5'
5 'to 3'
Vary from organism to organism

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DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
ligase
primase
DNA topoisomerase

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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
Conservative theory
Evolutionary theory
Dispersive theory

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DNA Structure and Replication
Which of the following would not contain DNA?

Glass crystals
Mold
Bacteria
Yeast

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

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

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

translation
transduction
transformation
replication

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