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Enzyme Review

Total questions: 15

Worksheet time: 16mins

Name
Class
Date
1.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
2.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
3.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
4.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
5.

What was the name of the first model of enzyme activity?

a)

Lock and key

b)

jigsaw puzzle

c)

induced fit

d)

two hands pattern

6.
Which of these is most likely an enzyme?  
a)
Sucrose
b)
Galactose
c)
Fructose
d)
Amylase
7.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shapes of the enzyme are altered or denatured

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

8.

Which substrate would match this enzyme?

a)
b)
c)
d)
9.

When an enzyme tightens around a substrate, this is called:

a)

An awkward hug

b)

Induced fit

c)

Competitive Inhibition

d)

Non competitive Inhibition

10.

What's going on in this picture?

a)

The enzyme is taking the red substrate and turning it blue

b)

The enzyme's active site is blocked by a competitive inhibitor

c)

The enzyme can't function if too many substrates are trying to bind

d)

This is an example of an anabolic enzyme reaction

11.

Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?

a)

reducing the number of products

b)

reducing the activation energy of the reactants

c)

increasing the temperature of the cell

d)

increasing the concentration of products

12.
Blocking Active site of an enzyme
a)
competitive inhibition
b)
allosteric inhibition
13.

Enzymes in your body probably work best at which of the following temperatures>

a)

25oC

b)

98oC

c)

37oC

d)

210oC

14.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
15.
Which of the following is NOT a Monopoly property?
a)
Pacific Avenue
b)
Vermont Avenue
c)
St. Charles Place
d)
Electric Avenue