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Topic 3: Biomolecules

Total questions: 50

Worksheet time: 35mins

Name
Class
Date
1.

What is the monomer of Carbohydrates?

a)

Amino Acid

b)

Monosacharrides

c)

Fatty Acids

d)

DNA/RNA

2.

What is the monomer of lipids?

a)

Amino Acids

b)

Monosaccharides

c)

Fatty Acids

d)

DNA/RNA

3.

What is the monomer of proteins?

a)

Amino Acids

b)

Monosaccharides

c)

Fatty Acids

d)

DNA/RNA

4.

What is the monomer of nucleic acids?

a)

Amino Acids

b)

Monosaccharides

c)

Fatty Acids

d)

Nucleotides

5.

What is the function of a carbohydrate?

a)

Control rates of reactions, form muscle and bones

b)

Provide long term energy, protection, waterproofing, and insulation.

c)

Main source of energy and is quick.

d)

Store and transmit genetic information.

6.

What is the function of lipids?

a)

Control rates of reactions and forms muscle and bones.

b)

Main source of energy.

c)

Energy storage, protection, waterproofing and insulation.

d)

Store and transmit genetic information.

7.

What is the function of proteins?

a)

Main source of energy.

b)

Energy storage, protection, waterproofing and insulation

c)

Store and transmit genetic information.

d)

Control rates of reactions and form muscles and bones.

8.

What is the function of nucleic acids?

a)

Main source of energy.

b)

Energy storage, protection, water proofing, and insulation.

c)

Control rates of reactions and form muscles and bones.

d)

Store and transmit genetic information.

9.

What is an example of a lipid?

a)
b)

c)

d)

10.

What is an example of a carbohydrate?

a)

b)

c)

d)

11.

What is an example of a protein?

a)

b)

c)

d)

12.

What is an example of a protein?

a)

b)

c)

d)

13.

What is an example of a nucleic acid?

a)

b)

c)

d)

14.

What macromolecule is classified as an enzyme?

a)

Carbohydrate

b)

Protein

c)

Nucleic Acid

d)

Lipids

15.

What does an enzyme do for reactions?

a)

Act as catalysts to speed up reactions.

b)

Act as catalysts to slow down reactions.

c)

Act as catalysts to keep reactions stable.

16.

What are examples of carbohydrates?

a)

triglycerides, waxes, fat, and oils

b)

form polypeptides such as antibodies, enzymes, and hormones

c)

glucose, fructose, cellulose, and lactose

d)

DNA and RNA

17.

What are examples of proteins?

a)

triglycerides, waxes, fats, and oils

b)

form polypeptides such as antibodies, enzymes, and hormones

c)

glucose, fructose, cellulose, and lactose

d)

DNA and RNA

18.

What are examples of lipids?

a)

triglycerides, waxes, fats, and oils

b)

form polypeptides such as antibodies, enzymes, and hormones

c)

glucose, fructose, cellulose, and lactose

d)

DNA and RNA

19.

What are examples of nucleic acids?

a)

triglycerides, waxes, fats, and oils

b)

form polypeptides such as antibodies, enzymes, and hormones.

c)

glucose, fructose, cellulose, and lactose

d)

DNA and RNA

20.

The cell membrane of a cell consists of

a)

protein molecules arranged around 2 layers

b)

two layers of lipids with embedded proteins built in

c)

lipid molecules positioned between two carbohydrate layers

d)

protein molecules which are made of sugar

21.

Which of the following conclusions can be drawn from the graph?

a)

The optimum temperature is 20C

b)

The optimum temperature is 38C

c)

The enzyme's activity continually increases as temperature increases.

d)

The enzyme's activity continually decreases as temperature increases.

22.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
23.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
24.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
25.
Which biomolecule is found in pasta and bread?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
26.

What elements (monomers) make up a protein?

a)

C, H, O

b)

C, H, O, N, (S)

c)

C, H, O, N, P

27.

How how carbohydrates and lipids similar?

a)

both contain C, H, O, N, P and store energy

b)

both contain C, H, O, N and give energy

c)

both contain C, H, O, N, S and store energy

d)

both contain C, H, O and give energy

28.

What is the key role (function) of carbohydrates?

a)

energy storage

b)

immunity, muscles, structure for tissues, cell metabolism

c)

instant energy for cells and body functions

d)

genetic information (heredity)

29.
The word saccharide means:
a)
sugar
b)
glucose
c)
sweetener
d)
carbohydrate
30.
Unsatured fats are healthier for you. Which is an example of an unsaturated fat?
a)
butter
b)
bacon
c)
olive oil
d)
eggs
31.
Another name for fats and oils
a)
proteins
b)
sugar
c)
lipids
d)
nucleic acids
32.

Name this structure

a)

double helix

b)

nucelotide

c)

twisted ladder

d)

hydrogen bond

33.
How many sugar units make up polysaccharides?
a)
one
b)
two
c)
more than two
d)
zero
34.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
35.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
36.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
37.
What are the monomers of DNA?
a)
glycerols
b)
amino acids
c)
fatty acids
d)
nucleotides
38.
Which elements are found in a lipid?
a)
C, H, O (with the same number of C as O)
b)
C, H, O, (with a different numbers of C and O)
c)
C, H, O, N
d)
C, H, O, N, P
39.
Which elements are found in a carbohydrate?
a)
C, H, O (with the same number of C as O)
b)
C, H, O, (with a different numbers of C and O)
c)
C, H, O, N
d)
C, H, O, N, P
40.
Which elements are found in a nucleic acid?
a)
C, H, O (with the same number of C as O)
b)
C, H, O, (with a different numbers of C and O)
c)
C, H, O, N
d)
C, H, O, N, P
41.
Which macromolecule is shown in the image?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
42.
Which macromolecule is shown in the image?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
43.
Which macromolecule is shown in the image?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
44.
This molecule is a ____.
a)
adenosine triphosphate
b)
polysaccharide
c)
phospholipid
d)
nitrogen base
45.

What is the function of the molecule shown?

a)

make up cell membranes

b)

energy storage in humans

c)

energy shuttle

d)

speed up chemical reactions

46.
What type of fatty acid is shown here?  Note that the (b) is just another way of showing the same thing as (a)
a)
saturated
b)
unsaturated
47.
The molecule show is a ______ and is the building block of _____.
a)
monosaccharide, carbohydrate
b)
fatty acid, lipid
c)
nucleotide, nucleic acids
d)
amino acid, protein
48.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
49.

Which would be unsaturated?

a)

A

b)

B

c)

C

50.

Which structure is saturated fat?

a)

A

b)

B

c)

C

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