Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

FOR MARKS - Enzymes

Total questions: 18

Worksheet time: 36mins

Name
Class
Date
1.

In the Lock and Key Analogy, the key that turns the lock represent the

a)

substrate

b)

non-substrate

c)

enzyme

d)

co-enzyme

2.

In the Lock and Key Analogy Mrs. Faris represents the

a)

substrate

b)

non-substrate

c)

enzyme

d)

co-enzyme

3.

In the Lock and Key Analogy the key that does not turn the lock represent the

a)

substrate

b)

non-substrate

c)

enzyme

d)

co-enzyme

4.

The enzyme sucrase breaks down

a)

lactose

b)

sucrose

c)

lipids

d)

hydrogen peroxide

5.

The enzyme catalase breaks down

a)

lactose

b)

sucrose

c)

lipids

d)

hydrogen peroxide

6.

The enzyme lipase breaks down

a)

lactose

b)

sucrose

c)

lipids

d)

hydrogen peroxide

7.

The enzyme lactase breaks down

a)

lactose

b)

sucrose

c)

lipids

d)

hydrogen peroxide

8.

The molecule the enzyme acts on is called the

a)

non-substrate

b)

toxin

c)

substrate

d)

co-enzyme

9.

The molecule that helps the enzyme and the substrate fit together better is called the

a)

non-substrate

b)

toxin

c)

substrate

d)

co-enzyme

10.

The molecule that plugs up the enzyme's active site stopping the reaction from occurring is the

a)

non-substrate

b)

vitamin

c)

substrate

d)

co-enzyme

11.

The enzyme amylase breaks down

a)

lactose

b)

starch

c)

lipids

d)

hydrogen peroxide

12.

Heat can cause an enzyme to become

a)

denatured

b)

killed

c)

deaminated

d)

dessicated

13.

Competitive inhibition involves interferance by a(n)

a)

non-substrate

b)

enzyme

c)

substrate

d)

co-enzyme

14.

Cyanide, found in cigarette smoke, stops cells from using

a)

oxygen

b)

glucose

c)

fats

d)

carbon dioxide

15.

Reactions that create large molecules from smaller ones

a)

anabolic

b)

catabolic

c)

metabolism

16.

Reactions that create smaller molecules from larger ones

a)

anabolic

b)

catabolic

c)

metabolism

17.

In the Lock and Key Analogy, the lock represent the

a)

substrate

b)

non-substrate

c)

enzyme

d)

co-enzyme

18.

The sum of all of your body's catabolic and anabolic reactions.

a)

anabolic

b)

catabolic

c)

metabolism