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Enzymes- 2

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

When a molecule can occupy the same active site as the substrate, a situation called __________________ can result

a)

Competitive lnhibition

b)

Allosteric Regulation

c)

Non-Competitive Inhibition

d)

Feedback Inhibition

2.

A receptor site that a molecule can bind to that changes the shape of the active site is called a(n):

a)

Allosteric Site

b)

Active Site

c)

DiSulphide Bridge

d)

MHC Receptor

3.

Molecules that bind to enzymes and enhance an enzyme's ability are called:

a)

CoFactors

b)

CoEnzymes

c)

Allosteric Inhibitors

d)

Allosteric Activators

4.

Organic molecules that temporarily bind to enzymes and enhance an enzyme's ability are called:

a)

CoFactors

b)

CoEnzymes

c)

Allosteric Inhibitors

d)

Allosteric Activators

5.

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

a)

An awkward hug

b)

Induced fit

c)

Competitive Inhibition

d)

Non competitive Inhibition

6.

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

7.

Blocking Active site of an enzyme

a)

competitive inhibition

b)

allosteric inhibition

8.

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

a)

25oC

b)

98oC

c)

37oC

d)

210oC

9.

Which is true of non-competitive inhibition?

a)

It is irreversible

b)

The inhibitor binds only to the active site of enzyme

c)

The inhibitor binds to enzyme to lower activation energy

d)

It can be reduced by increasing the concentration of the substrate

10.

Which type of reversible enzyme inhibitor binds to both the free enzyme and the enzyme-substrate complex?

a)

Non-competitive inhibitor

b)

End product inhibitor

c)

Competitive inhibitor

d)

None of the above