wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

ENZYME (OBSERVATION)

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which statements is about competitive inhibitor?

a)

Binds to the allosteric site of enzyme

b)

Binds permanently to the enzyme

c)

The effect of enzyme can be overcome by adding more substrates

d)

It will cause denaturation of enzyme

2.

What does an enzyme need in order to work properly?

a)

The right amount of oxygen & CO2

b)

The right temperature & amount of water

c)

The right temperature & pH

d)

The right temperature & pressure

3.

Where does amylase start to work?

a)

Mouth

b)

Stomach

c)

Small Intestine

d)

Large Intestine

4.

What are the enzymes called when they are at high temperature or extreme pH?

a)

denatured

b)

Killed

c)

inactive

d)

normal

5.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
6.
Chemical reactions always involve
a)
the breaking of bonds in reactants.
b)
the formation of new bonds in products.
c)
the breaking of bonds in reactants and the formation of new bonds in products.
d)
enzymes. 
7.

Which of these statements are true about competitive inhibitor?

a)

Inhibitor and substrate has similar structure

b)

The inhibitor binds to the allosteric site

c)

The conformation of active site changed due to the inhibitor

d)

Quantity of product formed is the same as reaction with inhibitor

8.

Give one similarities between competitive inhibitor and non-competitive inhibitor action

a)

Both caused enzyme's conformation changed

b)

The maximum rate of reaction is not reached

c)

Reaction becomes slower

d)

The rate of reaction can be increased by increasing the substrate concentration

9.

what impedes enzymatic reactions by binding to another part of the enzyme?

a)

noncompetitive inhibitor

b)

competitive inhibitors

c)

coenzymes

d)

cofactors

10.

Competitive inhibition can be overcome by _______________

a)

increase the concentration of substrate

b)

reduce the concentration of enzyme

c)

increase the concentration of enzyme

d)

reduce the concentration of substrate