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DNA Structure and Replication

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

Single strand break
Formation of thymine dimers
Dehydration
Depurination

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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
introns
retrovirus

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Primers
Lagging strand
Okazaki fragments

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DNA Structure and Replication
DNA polymerases I also has

5'-3' exonuclease activity
5'-3' endonuclease activity
3'-5'exonuclease activity
both (a) and (b)

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

Z-DNA
A-DNA
B-DNA
X-DNA

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DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Adenine
Cytosine
Uracil

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