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DNA Structure and Replication

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

dispersive replication
conservative replication
Cri du Chat
semi-conservative replication

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DNA Structure and Replication
The 5' and 3' numbers are related to the

the base pair rule
carbon number in sugar
length of the DNA strand
the number of phosphates

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DNA Structure and Replication
What does ligase do during replication of DNA?

Synthesizes the lagging strand
Makes copies of mRNA from DNA
Digests mRNA when it is no longer needed
Joins nicks in DNA strands

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DNA Structure and Replication
TM refers to the temperature at which

membranes are 50% fluid
All of these
50% of a protein molecules are denatured
50% of a DNA molecule is denatured

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DNA Structure and Replication
The RNA primers used to initiate replication in E. coli

are removed by Pol I
are removed by helicase + ATP
are joined together by DNA ligase
result in Okazaki fragments on leading strand

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Polymerase
Replicase
Helicase
Synthesase

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