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DNA Structure and Replication

DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

protamines
purines
All of these
pyrimidines

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

Single stranded protein, DNAa
DNAb, gyrase
DNAb, DNA polymerase
DNAa, gyrase

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

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

retrovirus
transposons
moving elements
introns

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DNA Structure and Replication
DNA replication takes place in which direction?

3' to 5'
Randomly
Vary from organism to organism
5 'to 3'

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

semiconservative
discontinuous
mutational
antiparallel

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