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Worksheets

Makenzie 4.1.3

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What enzyme breaks down Lactose?

a)

Lactase

b)

Catalase

c)

Maltase

2.

What process breaks apart a polymer?

a)
Polymerization
b)

Hydrolysis

c)

Dehydration Synthesis

d)

Product

3.

What process creates polymers?

a)

Hydrolysis

b)

Substrate

c)

Dehydration

d)

Enzyme

4.

What is the substrate of catalase?

a)
Water
b)

Carbon Dioxide

c)
Oxygen
d)

Hydrogen Peroxide

5.

What is the space where the enzyme and substrate meet?

a)

Dormant Site

b)

Active Site

c)

Passive Site

d)

Inactive Site

6.

What reaction breaks molecules?

a)

Catabolic Reaction

b)

Anabolic Reaction

c)

Physical Reaction

d)

Biological Reaction

7.

What enzyme breaks down Lipids?

a)
Cellulase
b)
Amylase
c)
Lipase
d)
Protease
8.

What reaction builds molecules?

a)
Destruction reaction
b)
Decomposition reaction
c)

Catabolic reaction

d)

Anabolic reaction

9.

What are catalysts?

a)
Substances that decrease the rate of a chemical reaction without being consumed
b)
Substances that have no effect on the rate of a chemical reaction
c)
Substances that are completely consumed in a chemical reaction
d)

Substances that increase the rate of a chemical reaction

10.

What is an enzymes monomer?

a)

Glucose

b)
Amino acids
c)

Nucleotide

d)
Lipids
11.

What is a substrate?

a)
The result of a chemical reaction
b)

where the active site is located

c)
A type of plant
d)

The substance or layer that is acted upon by an enzyme

12.

What enzyme breaks down Proteins?

a)
lipase
b)
amylase
c)
cellulase
d)
protease
13.

What is an inhibitor?

a)
A substance that has no effect on a chemical reaction or other process.
b)
A substance that speeds up a particular chemical reaction or other process.
c)

A substance that blocks an active site

d)
A substance that changes the color of a chemical reaction or other process.
14.

Enzymes are SPECIFIC?

a)

True

b)

False

15.

Enzymes can bond with ANY substrate?

a)

True

b)

False

16.

What does amylase break down?

a)

starches

b)

amino acids

c)

fats

d)

proteins

17.

What is denaturation?

a)
Enhancement of structure and function of proteins or nucleic acids
b)
Complete elimination of proteins or nucleic acids
c)
Formation of new proteins or nucleic acids
d)

Loss of structure and function of enzymes

18.

What factors can DENATURE an enzyme?

a)
Moderate temperatures and extreme pH levels
b)
No exposure to any chemicals
c)

Extreme temperatures, extreme pH levels, or excess ions

d)
Low temperatures and neutral pH levels
19.

What enzyme breaks down table sugar (sucrose)?

a)
amylase
b)
lactase
c)
sucrase
d)
lipase
20.

What is it called when a substrate and enzyme bond?

a)
Enzyme-substance complex formation
b)
Enzyme-substrate complex formation
c)
Catalyst-substrate complex formation
d)
Substrate-enzyme complex formation
21.

What is the end result of a reaction called?

a)
beginning
b)
process
c)
reaction
d)
product
22.

What do enzymes do?

a)
Speed up chemical reactions
b)
Cause explosions in chemical reactions
c)
Have no effect on chemical reactions
d)
Slow down chemical reactions
23.

The chemical reaction done by all living things is known as...

a)
Fermentation
b)
Photosynthesis
c)
Oxidative phosphorylation
d)

Metabolism

24.

What type of molecules are enzymes?

a)
Carbohydrates
b)
Lipids
c)
Nucleic acids
d)
Proteins
25.

What does pH stand for?

a)
percentage of hydrogen
b)
power of hydrogen
c)
potential of hydrogen
d)
pressure of hydrogen