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Enzymes 3

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

What is another name for enzymes?

a)

biological catalysts

b)

chemical catalysts

c)

inorganic catalysts

d)

microorganisms

2.

Which line represents an enzyme-catalyzed reaction?

a)

Line 1

b)

Line 2

3.

Where do substrates bind on an enzyme?

a)

calcium channels

b)

voltage-gated channels

c)

active site

d)

surface receptor

4.

Enzymes need certain environmental conditions in order to function properly. What happens when enzymes are heated to a high temperature?

a)

they die

b)

they change their amino acid sequence

c)

they work better

d)

they denature

5.

What makes an enzyme substrate specific?

a)

Name

b)

Size

c)

Location it is found in

d)

Shape

6.

What factors affect an enzyme's reaction rate?

a)

temperature

b)

substrate concentration

c)

pH

d)

all of these

7.

Proteins that act as biological catalysts by speeding up chemical reactions so life processes can function.

They are not consumed in the chemical reactions.

a)

Enzymes

b)

Substrates

c)

Lipids

d)

Amino Acids

8.

Temporary bonding between the enzyme and the substrate.

a)

Enzyme-Substate Complex

b)

Active Site

c)

Nucleolus

d)

Hydrogen Bonding

9.

The shape of the active site ensuring that enzymes usually work with only one kind of substrate.

a)

Products

b)

Enzymes

c)

Substrate

d)

Enzyme Specificity

10.

To bend a protein so it no longer functions.

a)

Activate

b)

Denature

c)

Enzyme

d)

Substrate