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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
pyrimidines
All of these

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
mRNA, anticodons
Lagging strand, ligase
Leading strand, polymerase

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

solenoid
halonoid
kinoplast
none of these

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase II
Polymerase III
Polymerase I
none of these

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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, DNA polymerase
DNAb, gyrase
DNAa, gyrase

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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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