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Worksheets

DNA Review

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the full name of DNA?

a)

Double Nucleotide Acid

b)

Dinosaurs Need Asprin

c)

Deoxyribonucleic Acid

d)

Dihydrogen Nitrogen Acetate

2.

What are the building blocks of DNA?

a)

nucleotides

b)

amino acids

c)

DNA pieces

d)

polymerase

3.

Where in most cells it the DNA found?

a)

DNA organelle

b)

cytoplasm

c)

mitochondria

d)

nucleus

4.

What are the three parts of a nucleotide?

a)

sugar, phosphate, nitrogenous base

b)

nucleics, sugar, ribose

c)

nitrogenous base, adenine, deoxyribose

d)

nitrogenous base, adenine, deoxyribose

5.

What two parts are identical between all nucleotides? (What do all nucleotides have in common?)

a)

sugar and guanine

b)

phosphate and acid

c)

sugar and phosphate

d)

phosphate and guanine

6.

What 4 letters represent the four nitrogenous bases:

a)

A, T, G, C

b)

A, B, C, D

c)

A, U, G, C

d)

N, A, G, T

7.

If DNA is "ladder-like," which two molecules of a nucleotide for the sides of the ladder?

a)

sugar and phosphate

b)

sugar and nitrogenous base

c)

phosphate and nitrogenous base

d)

adenine and thymine

8.

What pairs with Adenine in DNA?

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Adenine

9.

What pairs with Cytosine in DNA?

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Adenine

10.

What is the complimentary sequence to the following? (Take your time!): 5' TAGGC 3'

a)

5' ATCCG 3'

b)

3' TAGGC 5'

c)

5' TAGGC 3'

d)

3' ATCCG 5'

11.

Who used x-ray diffraction to first visualize the shape of DNA?

a)

James Watson

b)

Francis Crick

c)

Rosalind Franklin

d)

Watson Crick

12.

How many pairs of chromosomes do humans have?

a)

1

b)

16

c)

23

d)

46

13.

A sequence of nucleotides that codes for traits and are hereditary are called a:

a)

DNA

b)

gene

c)

chromosome

d)

nitrogenous base

14.

Adenine and Guanine are classified as:

a)

purines

b)

pyrimidines

15.

The shape of DNA is best described as :

a)

a twisty

b)

a ladder

c)

a double helix

d)

a spiral