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DNA Structure and Replication

DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase III
Polymerase II
Polymerase I
all of these

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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
Uracil
Guanine
Cytosine

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

None of these
utilization the same enzyme
synthesis in the 5'-3' direction
incorporation of deoxynucleotides

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

ligase
single stranded binding proteins
DNA topoisomerase
DNA helicases

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

3000 kilobase
6500 kilobase
4500 kilobase
5500 kilobase

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

polymerase
DNA ligase
RNA ligase
gyrase

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