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Protein structures

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

Select the structures of protein.

a)

Primary structure

b)

Secondary structure

c)

Tertiary structure

d)

Quaternary structure

2.

What is the role of primary structure of proteins?

a)

Amino acid sequence

b)

Conformation of portions of the polypeptide chain

c)

Conformation of the entire polypeptide

d)

How subunits are arranged in proteins

3.

What is the role of secondary structure in proteins?

a)

Amino acid sequence

b)

Conformation of portions of the polypeptide chain

c)

Conformation of the entire polypeptide

d)

How subunts are arranged in the protein

4.

What is the role of Tertiary structure of proteins?

a)

Amino acid sequence

b)

Conformation of portions of the polypeptide chain

c)

Conformation of the entire polypeptide

d)

How subunits are arranged in the protein

5.

What is the role of quaternary structure?

a)

Amino acid sequence

b)

Conformation of portions of the polypeptide chain

c)

Conformation of the entire polypeptide

d)

How subunits are arranged in the protein

6.

What are ways proteins can denature?

a)

Protein folding

b)

Binding with other amino acids

c)

Stretches itself

7.

Can denatured protein return to normal?

a)

Yes, once the denatured protein is removed

b)

No

8.

What are molecular chaperones?

a)

3D conformation

b)

Speeds up metabolic reactions

c)

Bind to short stretches of hydrophobic amino acids to help unfold proteins achieve their proper 3D conformation.

d)

binds to a single molecule of oxygen