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DNA Replication Review

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What does the word "replicate" mean?

a)

To create something brand new

b)
To delete something
c)

To add something

d)

To make an exact copy of something.

2.

What happens in DNA replication?

a)

DNA is copied

b)

DNA is destroyed

c)

DNA is changed

d)

DNA is rearranged

3.

Where does DNA replication happen?

a)

The lysosomes

b)

The ribosomes

c)

The nucleus

d)

The mitochondria

4.

DNA replication makes 2 _____________ copies

a)

Opposite

b)

Identical

c)

Similar

d)

Different

5.

What does it mean that DNA replication is semi-conservative?

a)

Each new DNA molecule contains one original and one new strand.

b)

Each new DNA molecule contains two totally different strands

c)

Each new DNA molecule contains two original strands.

d)

Each new DNA molecule contains two new strands.

6.

Why does DNA replication happen?

a)

So your body can make new cells

b)

So your body can get rid of old cells

c)

To make cells bigger

d)

To make cells smaller

7.

What monomer is DNA made up of?

a)

Monosaccharides

b)

Amino acids

c)

Nucleotides

d)

Fatty acids

8.

Covalent bonds are _______________

a)

strong

b)

weak

9.

Hydrogen bonds in between nitrogen bases are _______________

a)

strong

b)

weak

10.

What does the enzyme helicase do during DNA replication?

a)
Unwinds the double-stranded DNA helix
b)

Adds new nucleotides

c)

Joins fragments

d)
Proofreads DNA for errors
11.

What does the enzyme DNA polymerase do during DNA replication?

a)
Breaks down the DNA double helix
b)
Transcribes RNA from the DNA template
c)
Adds lipids to the DNA structure
d)

Makes a new DNA strand by adding complementary nucleotides

12.

What are the base pair rules?

a)

A = T

G = C

b)

A = G

C = T

c)

A = C

G = T

d)

A = A

C = C

G = G

T = T