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Kinex: DNA Replication Worksheet

Last updated over 1 year ago

16 questions

1 point

1

Question 1

1.

When does DNA replication occur?

During G1

During S phase

During G2 

During mitosis

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Question 2

2.

The first enzyme involved in DNA replication is DNA helicase. What type of organic molecule is DNA helicase?

Carbohydrate

Protein

Lipid

Nucleic Acid

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Question 3

3.

What is the role of DNA helicase in DNA replication?

To glue the Okazaki fragments together

To add free nucleotides

To separate the DNA strands

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Question 4

4.

Once the DNA strands are separated, free nucleotides are added to the complementary strands by which enzyme?

Helicase

Ligase

Primer

Polymerase

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Question 5

5.

The new DNA strand that is build continuously is called

Lagging strand

Leading strand

Template strand

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Question 6

6.

The strand that is build in pieces is called the

Leading strand

Lagging strand

Template strand

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Question 7

7.

Letter A is the

Template strand

Leading strand

Lagging strand

Replication fork

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Question 8

8.

Letter B is the

Template strand

Leading strand

Lagging strand

Replication fork

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Question 9

9.

Letter C is the

Template strand

Leading strand

Lagging strand

Replication fork

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Question 10

10.

The lagging strand is built in fragments called

Owens fragments

Okazaki fragments

Ligase fragments

Primer fragments

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Question 11

11.

Which enzyme glues the fragments on the lagging stand?

Helicase

Ligase

Polymerase

Single Binding Protein

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Question 12

12.

DNA replication is said to be semiconservative because

A. two entirely new molecules of DNA are made from one old molecule

B. one molecule of DNA is spilt into two separate strands

C. one entirely new molecule of DNA is made from one old molecule

D. new formed DNA molecules each contain one newly synthesized strand and one old strand

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Question 13

13.

How much guanine is in the DNA if there is 31 As and 19 Cs?

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1

Question 14

14.

How much thymine is in the DNA if there is 31 As and 19 Cs?

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1

Question 15

15.

How much cytosine is in the DNA if there is 28 As and 22 Gs?

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Question 16

16.

How much thymine is in the DNA if there is 28 As and 22 Gs?