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DNA Structure and Replication

DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase II
Polymerase III
Polymerase I

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

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

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

DNA was responsible for heredity
the ratio of Adenine to thymine was always the same
phage DNA was similar to bacterial DNA
proteins and DNA were responsible for heredity

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

70 °C
60°C
100 °C
90 °C

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

will not migrate
none of these
positive pole
negative pole

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' exonuclease
5' → 3' polymerase
All of these
3' → 5' exonuclease

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