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DNA Structure and Replication

DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Synthesase
Polymerase
Helicase
Replicase

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

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

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Phosphate
Guanine
Uracil
Cytosine

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

RNA ligase
polymerase
gyrase
DNA ligase

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DNA Structure and Replication
In DNA, guanine pairs with

Adenine
Cytosine
Uracil
Thymine

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DNA Structure and Replication
The nucleosome consists of histone

octamer and 146 bp of DNA
None of these
hexamer and 146 bp of DNA
tetramer and 146 bp of DNA

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