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Enzyme and Macromolecules Quizizz

Total questions: 49

Worksheet time: 49mins

Name
Class
Date
1.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

2.
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
3.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
4.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
5.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
6.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
7.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)

amino acid

b)
reaction site.
c)
active site.
d)
lock and key.
8.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
9.

What has happened to the enzyme at 47 degrees

a)

It got used up

b)

It finished the reaction

c)

It denatured from heat

d)

It maximized its activity

10.
Enzymes are composed of which of the following monomers? 
a)
amino acids
b)
carbohydrates
c)
nucleotides
d)
monosaccharides
11.
What is a Cataylst?
a)
A substance that speeds up a rate of chemical reaction.
b)
Molecules that make enzymes work harder and faster 
c)
reaction of an enzyme
d)
A substance that slows down a rate of chemical reaction.
12.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
13.
What happens to an enzyme when it is denatured?
a)
Activation energy is lowered.
b)
It becomes stronger.
c)
It loses its shape.
d)
Activation energy is raised.
14.
Which of these is NOT true?
a)
Enzymes can denature (change shape) when the temperature gets too high.
b)
Enzymes can only be used once in a chemical reaction. 
c)
Extreme pH can denature enzymes.
d)
Enzymes speed up chemical reactions. 
15.

What is the optimal pH for this enzyme?

a)

6

b)

10

c)

9

d)

7

16.

Enzymes are _______________ that _____________________ chemical reactions by ____________ the amount of activation energy required to start the reaction.

a)

carbohydrates, slow down, lowering

b)

proteins, speed up, increasing

c)

lipids, speed up, lowering

d)

proteins, speed up, lowering

17.

Which enzyme is most efficient in a high pH environment?

a)
A
b)
B
18.

Which enzyme will work best in the stomach?

a)
chymotrypsin
b)
pepsin
c)
 cholinesterase
d)
papain
19.

Which enzyme(s) could be found in the mouth?

a)
chymotrypsin
b)
pepsin
c)
 cholinesterase
d)

chymotrypsin, papain, and cholinesterase

e)

papain

20.

The diagram shows an enzyme molecule.

Which of the following molecules is the substrate for the enzyme?

a)
b)
c)
d)
21.

The graphs show the reaction rate for an enzyme across a range of temperatures and pH.


Based on these data, this enzyme functions best as what temperature and pH?

a)

Temperature of 27oC and a pH of 4

b)

Temperature of 37oC and a pH of 6

c)

Temperature of 40oC and a pH of 8

d)

Temperature of 50oC and a pH of 10

22.

Which color line represent a reaction with an enzyme present?

a)

Blue

b)

Red

c)

Both

d)

Neither

23.

If the enzyme has a pH range of 7 to 9 what effect would a pH of 3 have on the enzyme?
Enzymes work best at an optimal temperature and pH

a)

make it denature

b)

no effect

c)

make it work better

24.

At what pH level do amylase and arginase have the same enzyme activity?

a)

10

b)

7

c)

9

d)

5

e)

8

25.
The graph shows how the activity of an enzyme changes over a range of pH values. Which of the following conclusions can be drawn from this graph?
a)
pepsin works best at a pH near 2
b)
pepsin works best at a pH of 9
26.

What is another word for an enzyme?

a)

Catalyst

b)

Carbohydrate

c)

Phospholipid

d)

Active Site

27.

Which macromolecule has amino acids as monomers?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

28.

Which one of the macromolecules are instrumental in the cell membrane?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

29.

This macromolecules is responsible for providing our genetic material (DNA and RNA). Choose the macromolecule that best fits.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

30.

My monomers are glycerol and fatty acids. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

31.

Which macromolecule is structured this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

32.

What is this an image of?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Nucleic acid

33.

Which macromolecule is structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

34.

Which of the macromolecules are structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

35.
What is the energy needed to start an chemical reaction referred to?
a)
Cascading Energy
b)
Potential Energy 
c)
Kinetic Energy
d)
Activation energy
36.

What suffix is used in the names of most enzymes?

a)

-nic

b)

-ase

c)

-gen

d)

-yme

37.

The _______________________ model helps illustrate how each enzyme only works on one specific substrate.

a)

enzyme-substrate

b)

bits and pieces

c)

lock-and-key

d)

matter and energy

38.

Which macromolecule is used as our quick source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

39.

Which macromolecule stores energy?

a)

Carbohydrates

b)

Proteins

c)

Lipids/Fats

d)

Nucleic Acids

40.

Which of the following is not one of the four major classes of macromolecules?

a)

Lipids

b)

Carbon

c)

Protein

d)

Carbohydrates

e)

Nucleic Acid

41.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
42.

Which macromolecule is pictured?

a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
43.

Enzymes can be reused over and over again.

a)

True

b)

False

44.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
45.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
46.

Sugar belongs to which class of macromolecules?

a)

proteins

b)

lipids

c)

nucleic acids

d)

carbohydrates

47.

What is an example of a lipid?

a)
b)

c)

d)

48.

Which macromolecule typically ends with -ose? (glucose, sucrose, fructose)

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

49.

Which macromolecule usually ends with -in (melanin, keratin, melatonin)

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

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