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DNA Structure and Replication

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which one is NOT a part of a nucleotide?

a)

sugar

b)

phosphate

c)

nitrogen base

d)

amino acid

2.

The monomers of nucleic acids are. . .

a)

nucleotides

b)

amino acids

c)

monosaccharides

d)

fatty acids

3.

When your cells copy their DNA, this is called . . .

a)

replication

b)

copying

c)

hydrolysis

d)

awesome copy

4.

The enzyme that "unzips" DNA so that copies can be made is called . . .

a)

DNA Polymerase

b)

Helicase

c)

Lactase

d)

Catalase

5.

The enzyme that adds nucleotides to the original bases to make a new strand of DNA is called . . .

a)

helicase

b)

DNA polymerase

c)

lactase

d)

catalase

6.

______ and ______ won the Nobel Prize for discovering the structure of DNA.

a)

Watson; Crick

b)

Johnson; Smick

c)

Franklin; Wick

d)

Best; DNA man

7.

_______________ took the X-Ray photo that helped identify the structure of DNA

a)

Franklin

b)

Crick

c)

Watson

d)

Einstein

8.

A ____________ bond connects nitrogen bases in a DNA strand.

a)

hydrogen

b)

covalent

c)

super strong

d)

ionic

9.

Which one is NOT one of the four nitrogen bases in DNA?

a)

adenine

b)

guanine

c)

cytosine

d)

thymine

e)

uracil

10.

The "backbone" of DNA is made of . . .

a)

phosphate and sugar (deoxyribose)

b)

fatty acid and glycerol

c)

nitrogen bases and hydrogen bond

d)

amino acids and proteins