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Protein

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
What is the NH2 (nitrogen-containing) group on this amino acid called?
a)
amino group
b)
R group
c)
carboxyl group
2.
What type of protein would the collagen be?  (Collagen keeps your skin shaped smooth and your joints elastic.)
a)
structural
b)
storage
c)
transport
d)
contractile
3.
Identify the element found in a protein that is not present in a carbohydrate
a)
Carbon
b)
Oxygen
c)
Hydrogen
d)
Nitrogen
4.
What monomer of a protein is being shown?
a)
monosaccharide
b)
glycerol and fatty acids
c)
amino acid
d)
nucleotide
5.
What is a type of protein that speeds up chemical reactions?
a)
sucrose
b)
insulin
c)
enzyme
d)
antibodies
6.
Choose the protein
a)
C5H12O6 
b)
C6H12O6 
c)
C3H7NO2 
d)
C26H65O3 
7.
Which indicator is used to test for the presence of proteins?
a)
Sudan IV
b)
Benedict's Reagent
c)
Biuret Reagent
d)
Iodine
8.
Linking several amino acids together produces what polymer?
a)
polysaccharide
b)
polypeptide
c)
polynucleotide
d)
triglyceride
9.
This protein is used to regulate blood sugar levels.
a)
hemoglobin
b)
collagen
c)
insulin
d)
antibodies
10.
This transport protein is used to move Oxygen throughout the body (to and from red blood cells).  
a)
hemoglobin
b)
collagen
c)
insulin
d)
antibodies
11.
This protein is used to identify disease causing organisms like bacteria when they enter the body.
a)
hemoglobin
b)
insulin
c)
keratin
d)
antibodies
12.

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

a)

The central carbon

b)

The R group

c)

The carboxyl group

d)

The amino group

13.

Protein is in only found in animal sources.

a)

True

b)

False

14.

What elements make up amino acids?

a)

Carbon, hydrogen, nitrogen and oxygen; and sometimes also sulfur

b)

Carbon, hydrogen and phosphorus only

c)

Carbon, hydrogen and oxygen only

d)

Carbon, hydrogen and nitrogen

15.

The bond that joins amino acids are called:

a)

Phosphodiester Bond

b)

Ester Bond

c)

Glycosidic Linkage

d)

Peptide Bonds

16.

If you change the shape of a protein, will it work the same/properly

a)

YES

b)

NO

17.

What two parts of an amino acid join together to form a polypeptide?

a)

The amino group and carboxyl group

b)

The carboxyl group and the R-group

c)

The amino group and the R-group

d)

The central carbon and the R-group

18.

Which parts of your body are made of proteins?

a)

Hemoglobin

b)

Muscle

c)

Hair

d)

All of these

19.

Why proteins different from each other?

a)

Types of the amino acids

b)

Number of the amino acids

c)

Order of the amino acids

d)

All above them

20.

Which of the following describes the secondary structure of proteins?

a)

The sequence of amino acids

b)

The α-helix and β-pleated sheet folding

c)

The folding of the polypeptide chain due to the 'R' groups

d)

The joining of different protein molecules to make one big molecule