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DNA Review

Total questions: 14

Worksheet time: 5mins

Name
Class
Date
1.

DNA looks and functions the same in every organism. In fact, DNA is so similar that it can be moved from one species to another and it still works!

a)

True

b)

False

2.

Which is NOT a nitrogen base found in DNA?

a)

Adenine

b)

Thymine

c)

Guanine

d)

Uracil

3.

Where would you find the sugars and phosphates in a DNA molecule?

a)

On the sides (the backbone of the helix)

b)

In the middle (the base pairs)

4.

Which of the following shows how the discovery of DNA followed the Scientific Method?

a)

Scientists collaborated to find the answer

b)

Scientists refused to share their work

c)

Scientists based their discoveries on opinions

d)

Scientists refused to update their ideas when proven wrong

5.

What shape is DNA?

a)

Circular

b)

Flat

c)

Double Helix

d)

Boxy

6.

A nucleotide is one piece of DNA. What of these would be found in a nucleotide?

a)

A sugar

b)

A nitrogen base

c)

A phosphate

d)

All three of these

7.

Jane and Josiah have different eye colors. This is because Jane and Josiah's DNA code makes different _________.

a)

proteins

b)

carbohydrates

c)

fats

d)

organelles

8.

What are genes?

a)

Pieces of chromosomes that you inherit from your parents

b)

Instructions for how to build proteins

c)

Sections of DNA

d)

All of these are true.

9.

Which organelle contains DNA?

a)

Cytoplasm

b)

Vacuole

c)

Nucleus

d)

Cell Membrane

10.

Strands of tightly wound DNA are known as _______.

a)

Phosphates

b)

Nucleotides

c)

Chromosomes

d)

Sugars

11.

DNA bases can pair randomly.

a)

True

b)

False

12.

Which nitrogen base does adenine match?

a)

Guanine

b)

Cytosine

c)

Uracil

d)

Thymine

13.

Which nitrogen base pairs with guanine?

a)

Cytosine

b)

Kerosene

c)

Thymine

d)

Uracil

14.

One side of a DNA strand has the following nitrogen base sequence:

A-A-T-G-C-C

Select the sequence of nitrogen bases we can expect to see on the other side.

a)

A-A-T-G-C-C

b)

T-T-A-C-G-G

c)

C-C-G-T-A-A

d)

G-G-C-A-T-T