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Proteins and Enzymes

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What elements make up proteins?

a)

Carbon, Hydrogen, Oxygen

b)

Carbon, Hydrogen, Oxygen, Phosphorus, Nitrogen

c)

Carbon, Hydrogen, Oxygen, Sulfur, Nitrogen

d)

Carbon, Oxygen, Nitrogen

2.

What are the monomers of proteins?

a)

Amino Acids

b)

DNA & RNA

c)

Nucleotides

d)

Fats and sugar

3.

What type of macromolecule is an enzyme?

a)

Carb

b)

Lipid

c)

Nucleic Acids

d)

Protein

4.

What types of bonds link amino acids together?

a)

Hydrogen bonds

b)

Peptide bonds

c)

ionic bonds

d)

Van der Waals forces

5.

What is the function of enzymes in living organisms?

a)

Slow down chemical reactions

b)

Provide energy for cells

c)

Store genetic information

d)

Speeds up chemical reactions

6.

What is the molecule that an enzyme acts on called?

a)

Substrate

b)

Product

c)

Polymer

d)

Catalyst

7.

What happens to enzymes when they are exposed to very high temperatures?

a)

The substrate concentration is increased

b)

They turn into carbs

c)

They denature

d)

They speed up reactions

8.

Why is the shape of an enzyme important?

a)

It allows the enzyme to store energy

b)


It determines the enzyme’s function and what substrate it fits

c)


It helps the enzyme dissolve in water

d)

It allows the enzyme to reproduce

9.

Which part of an amino acid determines its unique properties?

a)

Amino group

b)

Carboxyl group

c)

R group

d)

Electrons

10.

A person with lactose intolerance cannot digest milk because they lack which enzyme?

a)

Lactase

b)

Carbs

c)

Lipids

d)

Lipase