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Proteins

Total questions: 16

Worksheet time: 12mins

Name
Class
Date
1.
What is a protein: 
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids. 
c)
A polymer composed of fatty acids. 
d)
A polymer composed of nucleotides. 
2.
This is one job proteins do NOT have in the body
a)
storing genetic information
b)
structure
c)

speeding up chemical reactions

d)

transporting things through cell membranes

3.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
4.

What is a long chain of amino acids called?

a)

Polysaccharide

b)

Lipid

c)

Carbohydrate

d)

Polypeptide

e)

Nucleic acid

5.

What is the name of the bond that joins two amino acids together?

a)

Ester bond

b)

Glycosidic bond

c)

Peptide bond

d)

Nucleic bond

6.
How many different amino acids are there?
a)
15
b)
20
c)
25
d)
30
7.

Which protein structure describes the sequence of amino acids?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

8.

Alpha helix and beta sheet are examples of what type of protein structure?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

9.

Which protein structure describes a protein's three-dimensional shape?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

10.

Which protein structure is only found in proteins with more than one polypeptide chain?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

11.

Which of the following can cause protein denaturation?

a)

High heat

b)

Cold temperatures

c)

Strong acids

d)

Strong bases

e)

High pressure

12.
The diagram shows a bond forming between two amino acids. What is the name of this reaction?
a)
Dehydration Synthesis
b)
Hydrolysis
c)
Pepysis
d)
Oxidation
13.

Each amino acid is different from the other due to....

a)

The R group

b)

The amino group

c)

The carboxyl group

d)

The central carbon

14.

Which colored box highlights the amino group?

a)

Blue (left)

b)

Turquoise (top)

c)

Orange

d)

Red

e)

Purple

15.

Which colored box is different for every amino acid?

a)

Blue (left)

b)

Turquoise (top)

c)

Orange

d)

Red

e)

Purple

16.

Which colored box highlights the carboxyl group?

a)

Blue (left)

b)

Turquoise (top)

c)

Orange

d)

Red

e)

Purple