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DNA Structure and Replication

DNA Structure and Replication
Reverse transcriptase produces

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

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Ori
an initiation codon
Pro
a promoter

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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
Evolutionary theory
Dispersive theory
Conservative theory

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

covalent bonds between the pair of bases
None of these
ionic bonds between the pair of bases
hydrogen bonds between the pair of bases

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

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

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DNA Structure and Replication
The role of primase is to

synthesize an RNA primer to begin the elongation process
proofread base pairing
cleave and unwinds short sections of DNA ahead of the replication fork
dismantle RNA primer

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