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Worksheets

2 Enzymes

Total questions: 21

Worksheet time: 41mins

Name
Class
Date
1.
What am I? I break down protein into amino acids
a)
Protease
b)
Carbohydrase
c)
Lipase
2.
What am I? I break down starch into glucose
a)
Protease
b)
Carbohydrase
c)
Lipase
3.
What am I? I break down lipids into fatty acids and glycerol
a)
Protease
b)
Carbohydrase
c)
Lipase
4.
Starch is broken down into...
a)
Glucose
b)
Fatty acids and glycerol
c)
Amino acids
5.
Protein is broken down into...
a)
Glucose
b)
Fatty acids and glycerol
c)
Amino acids
6.
Lipids are broken down into...
a)
Glucose
b)
Fatty acids and glycerol
c)
Amino acids
7.
Lipids are broken down by lipase into fatty acids and glycerol
a)
True
b)
False
8.
Protein is broken down by amino acids
a)
True
b)
False
9.
Protein is broken down into amino acids
a)
True
b)
False
10.

Which theory allows us to understand how enzymes work?

a)

Chewing

b)

Lock and Key

c)

Open Door

d)

Door and House

11.

What are enzymes made of?

a)

Muscle

b)

Special Fats

c)

Special Proteins

d)

Stomach Lining

12.

Enzymes are protein molecules which act as catalysts, what do catalysts do?

a)

slow down reactions

b)

speed up reactions

c)

make reactions hotter

d)

make reactions colder

13.

The molecules that enzymes act upon are called...

a)

substrate

b)

denatured

c)

active site

d)

catalyst

14.

Enzymes break starch down into...

a)

amino acids

b)

fatty acids

c)

glucose

d)

blood

15.

Protease enzymes break down...

a)

proteins

b)

carbohydrates

c)

starch

d)

fats

16.

Where are most digested food molecules absorbed?

a)

stomach

b)

large intestine

c)

mouth

d)

small intestine

17.

Why can't undigested food molecules be absorbed?

a)

too small

b)

too large

c)

too complex

d)

too dangerous

18.

In the diagram, what is letter D...

a)

active site

b)

enzyme

c)

substrate

d)

products

19.

In the diagram, what is letter B...

a)

active site

b)

enzyme

c)

substrate

d)

products

20.

In the diagram, what is letter E...

a)

active site

b)

enzyme

c)

substrate

d)

products

21.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in