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DNA Structure and Replication

DNA Structure and Replication
Which of the following would not contain DNA?

Bacteria
Mold
Yeast
Glass crystals

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

Single strand break
Formation of thymine dimers
Depurination
Dehydration

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

both (a) and (b)
reverse transcriptase
primase
RNA polymerase

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

10 to 20%
40 to 50%
20 to 30%
30 to 40%

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DNA Structure and Replication
TM refers to the temperature at which

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

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

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

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