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Macromolecules & Enzymes

Total questions: 52

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

A ______________ is a large molecule.

a)

Micromolecule

b)

Polymer

c)

Amino Acid

d)

Macromolecule

2.

Which of the following elements are found in all macromolecules? (Select all that apply).

a)
b)
c)
d)
3.

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

4.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

5.

Which macromolecule stores energy?

a)

Carbohydrates

b)

Proteins

c)

Lipids/Fats

d)

Nucleic Acids

6.

Nucleic acids make up which of the two molecules listed below?

a)

FDA

b)

RNA

c)

DNA

d)

FDR

7.

This macromolecule breaks down into sugars such as glucose.

a)

Lipids/Fats

b)

Nucleic Acids

c)

Protein

d)

Carbohydrates

8.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
9.

Which of the following are almost always hydrophobic?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

10.

Most enzymes are composed of .....

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

11.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
12.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
13.

Why do we need proteins?

a)

various cell structures

b)

main source of energy for the body

c)

important component of our DNA

d)

main component of our cell membranes

14.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
15.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
16.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
17.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
18.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
19.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
20.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
21.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
22.

The most important element that is the backbone of all biological molecules

a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
23.
Building blocks of the body, hair , muscles etc.
a)
protein
b)
nucleic acid
c)
lipids
d)
carbohydrates
24.
Glycerol and fatty acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
25.
The organic compounds that have many structural purposes and are used in many processes within the
cell are called ____________________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
26.
What are the four macromolecules?
a)
proteins, nucleic acids, carbohydrates, and lipids
b)
monosaccharides, lipids, polysaccaharides, and proteins
c)
RNA, DNA, proteins, and carbohydrates
d)
proteins, DNA, RNA, and steroids
27.

What would be the best thing to eat if you were going to run a race in an hour

a)

a jolly rancher

b)

grilled chicken

c)

a salad with olive oil dressing

d)

pasta

28.

Which of the following are almost always hydrophobic?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

29.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

30.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

31.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
32.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
33.

Monomers are put together to form a _____________.

a)

polymer (macromolecule)

b)

element

c)

compound

d)

organelle

34.

What macromolecule is shown above?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

35.

What macromolecule is shown above?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

36.

What macromolecule is shown above?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

37.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

38.

In order to break apart a polymer ________ must be added.

a)

carbon

b)

water

c)

oxygen

d)

hydrogen

39.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

40.

Which type of reaction is shown?

a)

Dehydration Synthesis

b)

Hydrolysis

41.
Produces water as a by-product
a)
Dehydration synthesis
b)
Hydolysis
42.

Specialized proteins known as ___________________ act as catalysts in living things by breaking down substances like food molecules and by lowering the activation energy needed for biochemical reactions.

a)

Substrates

b)

Nucleotides

c)

Cellulose

d)

Enzymes

43.

Enzymes are made up of _____________________.

a)

Monosaccharides

b)

Fatty Acids

c)

Amino Acids

d)

Nucleotides

44.

Which of the following is most likely an Enzyme?

a)

Amylase

b)

Glucose

c)

Lactose

d)

Fructose

45.

Iron is known to rust faster in salt water.  Salt acts as a _________________ because it speeds up the chemical reaction between iron and oxygen.

a)

Polymer

b)

Catalyst

c)

Product

d)

Covalent Bond

46.

What letter corresponds to the Active Site in this diagram?

a)

A

b)

B

c)

C

d)

None of the Above

47.

What letter corresponds to the Substrate in this diagram?

a)

A

b)

B

c)

C

d)

None of the Above

48.

When a Enzyme becomes __________________ it loses its shape and ceases to function effectively because the substrate no longer fits well into the active site

a)

Acidic

b)

Neutral

c)

Catalyzed

d)

Denatured

49.

Enzymes need to have the right shape and right fit. However, Enzymes also work best at a specific ____________________ and ____________________

a)

Protein / Sugar

b)

Temperature / Polarity

c)

Temperature / pH

d)

Density / pH

50.
Which of the following conclusions can be drawn from this graph?
a)

The optimal pH for the enzyme to work the best is 6.6.

b)

This enzyme works best in Basic environments (pH 8-14)

c)

The enzyme’s activity increases as pH increases from 7.0 to 9.0

d)

The enzyme’s activity is best around pH of 8.0 .

51.

Based on the graph, what is the optimal temperature for this Enzyme? 

a)
15 C
b)

30 C

c)

35 C

d)

0 C

52.

Catalase is able to break down Hydrogen Peroxide (2H2O2) into Water (H2O) and Oxygen (O2). What is the Substrate?

a)

Catalase

b)

Water (H2O)

c)

Oxygen (O2)

d)

Hydrogen Peroxide (2H2O2)

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