DNA Replication

Practice Questions

Biochemistry › DNA Replication

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1

Which statement is true of prokaryotic DNA replication?

2

Given the DNA sequence, what is the correct synthesis?

DNA sequence: TCGGTCAAG

3

What type of bonds hold the two DNA strands together?

4

Which amino acids are required for the the synthesis of adenine and guanine (purines) from ribose?

I. Lysine

II. Aspartate

III. Glutamine

IV. Glycine

5

In DNA replication, which is true regarding ribonucleotide reductase?

6

Suppose that a molecule of DNA has an ratio of 2:1. Once this DNA molecule replicates, what will the new ratio be?

7

Which of the following is true regarding DNA replication?

I. Upon completion of DNA replication, the parent strands are re-hybridized

II. Epigenetic changes can change the rate of DNA replication

III. There are two daughter strands produced for every parent strand

8

One of the first steps in DNA replication is the unwinding of the double helix. This is accomplished by an enzyme called DNA helicase. What atom will not be involved in a bond broken by DNA helicase?

9

Which of the following enzymes joins together the Okazaki fragments in the lagging strand during DNA replication?

10

DNA replication is an important process that allows hereditary information to be passed to new cells. As such, there are a variety of enzymes that are crucial to this process. Helicase is one such enzyme. What is the function of helicase in DNA replication.

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