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DNA Structure and Replication

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

Polymerase III
Polymerase II
Polymerase I
all of these

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Dehydration
Depurination
Formation of thymine dimers
Single strand break

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

semi-conservative theory
evolutionary theory
dispersive theory
conservative theory

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

moving elements
transposons
retrovirus
introns

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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
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Mg++
high temperature and Ca++
high temperature and Mg++
low temperature and Ca++

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