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DNA Structure and Replication

DNA Structure and Replication
Messelsen and Stahl model of replication was called

dispersive replication
semi-conservative replication
conservative replication
Cri du Chat

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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?

Evolutionary theory
Conservative theory
Dispersive theory
Semi-conservative theory

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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
H
B
None of these

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

incorporation of deoxynucleotides
synthesis in the 5'-3' direction
None of these
utilization the same enzyme

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

polymerase
gyrase
DNA ligase
RNA ligase

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

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

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