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DNA Review

Total questions: 10

Worksheet time: 13mins

Name
Class
Date
1.

Erwin Chargaff's rule of base pairing states that:

a)

adenine pairs with thymine and guanine pairs with cytosine

b)

adenine pairs with guanine and thymine pairs with cytosine

c)

purines pair with pyrimidines

d)

pyrimidines pair only with pyrimidines

2.

Thymine, adenine, guanine, cytosine, and uracil are classified as:

a)

sugars

b)

codons

c)

nitrogen bases

d)

nucleotides

3.

What is the backbone of this DNA molecule made of?

a)

sugars

b)

nitrogen bases

c)

sugar and phosphate

d)

sugar and nitrogen bases

4.

What type of bonds hold together nitrogen bases?

a)

water bonds

b)

covalent bonds

c)

peptide bonds

d)

hydrogen bonds

5.

Using the bases on the template strand of DNA, what are the new complimentary bases for replication? Template: AGTCA

a)

AGTCA

b)

TCAGT

c)

UCAGU

d)

TCUGT

6.

DNA is an acronym for _____

a)

Diphosphorus Nucleic Acid

b)

Ribose Nucleic Acid

c)

Deoxyribonucleic Acid

d)

Deoxyribonucleic Acetate

7.

Which of the following is a base pair?

a)

Adenine - Cytosine

b)

Cytosine - Thymine

c)

Deoxyribose - Cytosine

d)

Cytosine - Guanine

8.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
9.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
10.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil