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DNA Review

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following is NOT a nucleotide option in DNA?

a)

Adenine

b)

Guanine

c)

Tetrosine

d)

Cytosine

2.

What is the shape of a DNA molecule?

a)

Double Helix

b)

Single Stranded

c)

Swirling Rectangle

d)

Single Helix

3.

Which of the following come together to make up DNA?

a)

Amino Acids

b)

Proteins

c)

Nucleotides

d)

Organelles

4.

Adenine always bonds with...

a)

Thymine

b)

Guanine

c)

Cytosine

d)

Adenine

5.

Guanine always bonds with...

a)

Thymine

b)

Cytosine

c)

Guanine

d)

Adenine

6.

Which organelle contains the DNA of a cell?

a)

Mitochondria

b)

Cytoplasm

c)

Vacuole

d)

Nucleus

7.

What is a gene?

a)

A section of DNA

b)

Tightly coiled DNA

c)

DNA and protein

d)

A nucleotide

8.

What does a gene code for?

a)

DNA

b)

RNA

c)

Amino Acids

d)

Nucleotides

9.

What do amino acids come together to make?

a)

Protein

b)

DNA

c)

Chromosomes

d)

Carbohydrates

10.

What is a mutation?

a)

When DNA changes to RNA

b)

Any change in DNA

c)

When a gene changes shape

d)

When a trait changes

11.

What is a chromosome?

a)

A section of DNA

b)

A section of RNA

c)

DNA coiled around protein

d)

A change in DNA

12.

When is your DNA in the form of chromosomes?

a)

When a cell is growing

b)

When a cell is reproducing

c)

When the DNA is leaving the nucleus

d)

When a cell is changing

13.

How many chromosomes do human cells have?

a)

46

b)

23

c)

50

d)

12