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Worksheets

Biomolecules

Total questions: 127

Worksheet time: 4hrs 26mins

Name
Class
Date
1.
What does the word organic mean?
a)
has nitrogen
b)
has sulfur
c)
has carbon
d)
has oxygen
2.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
3.
Which biomolecule is the key source of energy?
a)
Lipid
b)
Protein
c)
Carbohydrate
d)
Nucleic Acid
4.
A monomer is ...
a)
a single atom
b)
a building block for polymers
c)
a single element
d)
is an inorganic molecule
5.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
6.
What is the functions of lipids?
a)
Quick source of energy
b)
Builds muscles, skin, enzymes
c)
Stores genetic information
d)
Stores energy, insulation, protection
7.
Which of the following is an example of a nucleic acid?
a)
Glucose
b)
Phospholipid
c)
Enzymes
d)
DNA
8.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
9.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
10.
Which biomolecule is found in pasta and bread?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
11.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
12.
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
13.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
14.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
15.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
16.

Which biomolecule helps form muscles?

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipids

17.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
18.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
19.
The monomer of a nucleic acid is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
20.
The monomer of a protein is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
21.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
22.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
23.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
24.
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
25.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
26.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
27.

Which biomolecule is made of nucleotides and contains your DNA?

a)

Carbohydrate

b)

Lipids

c)

Protein

d)

Nucleic Acid

28.

Which biomolecule helps form muscles?

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipids

29.
What elements are common to all 4 biomolecules?
a)
Carbon, hydrogen, nitrogen
b)
Carbon, Nitrogen, Phosphorus
c)
Carbon, Hydrogen, Oxygen
d)
Carbon, Hydrogen, Phosphorus
30.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
31.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
32.

What are lipids?

a)

Polymers made of amino acids

b)

Monomers that store and transfer genetic information

c)

Fatty acids not generally soluble in water

d)

Complex carbohydrates like starch

33.

Which biomolecule makes up cell membranes?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic acid

34.

Identify the biomolecule

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

35.

What is the monomer of a carbohydrate?

a)

Monosaccharide

b)

Amino acid

c)

Triglyceride

d)

Nucleotide

36.

What biomolecule is responsible for immune support such as antibodies?

a)

Nucleic Acid

b)

Lipid

c)

Protein

d)

Carbohydrate

37.

Which of the following is a complex polysaccharide?

a)

Starch

b)

Glucose

c)

Glycerol

d)

Phosphate

38.

How do animals store complex sugars?

a)

In the form of glycogen

b)

In the form of cellulose

c)

In the form of chitin

d)

None of the above

39.

Which triglyceride is solid at room temperature?

a)

Unsaturated

b)

Saturated

c)

Amino Acids

d)

Nucleotide

40.

Which biomolecule includes RNA as an example?

a)

Protein

b)

Lipid

c)

Nucleic Acid

d)

Carbohydrate

41.

Which element is found in only proteins and nucleic acids?

a)

Nitrogen

b)

Hydrogen

c)

Helium

d)

Oxygen

42.

What is homeostasis?

a)

Keeping something at an ideal position/setting

b)

A species of hominids

c)

The category in which we put biomolecules

d)

A mixture that is fully blended (with all biomolecules equal)

43.

What are the FOUR most common elements in living things?

a)

Carbon

b)

Silicon

c)

Nitrogen

d)

Hydrogen

e)

Oxygen

44.

What is the function of carbohydrates?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

45.

Carbohydrates are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

46.

What is the function of proteins?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

47.

Proteins are primarily made out of... (and sometimes Sulfur)

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

48.

What is the function of nucleic acids?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

49.

Nucleic acids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

50.

What is the function of lipids?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

51.

Lipids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

52.

Your friend is really irritable while sitting in class. He feels lightheaded and dizzy. He is also feeling a bit of confusion and brain fog.


What inferences are most realistic to make about the biomolecules in your friend's body?

a)

He is running low on fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is incorrect or incomplete

d)

There is not enough insulation or energy storage

53.

Your friend is really irritable while sitting in class. He feels lightheaded and dizzy. He is also feeling a bit of confusion and brain fog.


What biomolecule does your friend need?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

54.

Dystrophin is a molecule that holds muscle fibers together. In people with muscular dystrophy, a genetic disease that causes people to lose the ability to walk at a young age, dystrophin molecules never develop.


What can you infer about the biomolecules of affected individuals? (select all correct answers)

a)

There is a lack of sources of fast energy

b)

A biomolecule is missing

c)

The coding information in the cell is incomplete or incorrect

d)

If removes insulation and long term energy storage

55.

Dystrophin is a molecule that holds muscle fibers together. In people with muscular dystrophy, a genetic disease that causes people to lose the ability to walk at a young age, dystrophin molecules never develop.


What biomolecule is this person missing?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

56.

Bowhead whales can have a specialized layer of blubber up to 30 cm’s thick. This acts as a special insulation that traps the heat their muscles create from movement.


What biomolecule is the blubber primarily made of?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

57.

Helicase is an example of a biomolecule that can destroy bonds between DNA strands during DNA replication.


What biomolecule is helicase?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

58.

A scientist discovers new life on a distant planet. While watching the alien species live on the planet, scientists begin to notice that in order to hunt this species will attack another smaller species and inject them with some sort of liquid. After a short time, the smaller organism develops a sort of necrosis which is when a small portion of the organism's flesh begins to break down. Soon after necrosis begins the smaller organism dies.


What can you infer about the function of the poison?

a)

It decreases fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is altered

d)

If removes insulation and long term energy storage

59.

A scientist discovers new life on a distant planet. While watching the alien species live on the planet, scientists begin to notice that in order to hunt this species will attack another smaller species and inject them with some sort of liquid. After a short time, the smaller organism develops a sort of necrosis which is when a small portion of the organism's flesh begins to break down. Soon after necrosis begins the smaller organism dies.


What biomolecule are the aliens injecting?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

60.

There is a person with Albinism. This individual does not produce melanin. Melanin allows for people to be protected from the sun. Since Albinos do not produce this protein they are prone to getting sunburns.


What inferences are most realistic to make about the biomolecules in this individual's body?

a)

He is running low on fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is incorrect or incomplete

d)

There is not enough insulation or energy storage

61.

There is a person with Albinism. This individual does not produce melanin. Melanin allows for people to be protected from the sun. Since Albinos do not produce this protein they are prone to getting sunburns.


What biomolecule results in the individual having albinism?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

62.

What is the function of carbohydrates?

a)

Provide energy

b)

Build muscle

c)

Insulate the body

d)

Store genetic information

63.

What are the monomers of carbohydrates called?

a)

Monosaccharides

b)

Fatty acids

c)

Amino acids

d)

Nucleotides

64.

What are lipids commonly known as?

a)

Proteins

b)

Carbohydrates

c)

Fats

d)

Nucleic acids

65.

What is the function of lipids in insulation?

a)

Store energy

b)

Build muscle

c)

Provide structure

d)

Keep warm

66.

What are the monomers of lipids called?

a)

Monosaccharides

b)

Fatty acids

c)

Amino acids

d)

Nucleotides

67.

What is the function of proteins in the body?

a)

Provide energy

b)

Insulate the body

c)

Build muscle

d)

Store genetic information

68.

What are the monomers of proteins called?

a)

Monosaccharides

b)

Fatty acids

c)

Amino acids

d)

Nucleotides

69.

What is the function of nucleic acids in the body?

a)

Provide energy

b)

Insulate the body

c)

Build muscle

d)

Store genetic information

70.

What are the monomers of nucleic acids called?

a)

Monosaccharides

b)

Fatty acids

c)

Amino acids

d)

Nucleotides

71.

Which elements are common to all 4 biomolecules?

a)

Carbon, Hydrogen, Oxygen

b)

Carbon, Hydrogen, Oxygen, Nitrogen

c)

Carbon, Hydrogen, Oxygen, Phosphorous

d)

Carbon, Hydrogen, Nitrogen, Phosphorous

72.
What does the word organic mean?
a)
has nitrogen
b)
has sulfur
c)
has carbon
d)
has oxygen
73.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
74.
Which biomolecule is the key source of energy?
a)
Lipid
b)
Protein
c)
Carbohydrate
d)
Nucleic Acid
75.
A monomer is ...
a)
a single atom
b)
a building block for polymers
c)
a single element
d)
is an inorganic molecule
76.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
77.
What is the functions of lipids?
a)
Quick source of energy
b)
Builds muscles, skin, enzymes
c)
Stores genetic information
d)
Stores energy, insulation, protection
78.
Which of the following is an example of a nucleic acid?
a)
Glucose
b)
Phospholipid
c)
Enzymes
d)
DNA
79.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
80.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
81.
Which biomolecule is found in pasta and bread?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
82.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
83.
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
84.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
85.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
86.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
87.

Which biomolecule helps form muscles?

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipids

88.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
89.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
90.
The monomer of a nucleic acid is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
91.
The monomer of a protein is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
92.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
93.

The four most common elements found in living organisms are Oxygen, Nitrogen, Hydrogen and

a)

Carbon

b)

Fluorine

c)

Sodium

d)

Potassium

94.

An atom has equally numbered positive & negative charged particles, which makes the net charge

a)

positive

b)

negative

c)

no charge (neutral)

d)

Wait...I have to do math?

95.

Elements such as iron, aluminum, oxygen, and hydrogen can be further broken down into their simplest form of the particular (a)   that form them.

96.

Another way of describing a compound is to say,

a)

Different groups of atoms combining together

b)

More than one element combines with a molecule

c)

Molecules composed of more than one different atom

d)

The bonded pairing of different elements to form new substances

97.

How are elements different from compounds?

4 lines
98.
Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?
a)
Water expands as it freezes.
b)
Water is an excellent solvent.
c)
Water exhibits cohesive behavior.
d)
Water is able to moderate temperature.
99.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
100.
Why does ice stay at the top of oceans instead of sinking to the bottom?
a)
 Ice is colder than liquid water.
b)
Ice is less dense than liquid water.
c)
Ice is more dense than liquid water.
d)
Ice is warmer than liquid water.
101.
Water is often called the "universal solvent" because many substances can be dissolved in water. What property of water allows it to be such a versatile solvent? 
a)
purity
b)
polarity and cohesion
c)
high heat capacity
d)
expansion upon freezing
102.
 Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?
a)
The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
c)
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
103.
A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?
a)
Specific heat 
b)
Surface tension
c)
Cohesion and adhesion of water molecules 
d)
Formation of covalent bonds between hydrogen and oxygen molecules
104.
Water makes up approximately 60% of the human body and plays a vital role in regulating body temperature. Which property of water makes it good at regulating temperature?
a)
Water is a good solvent.
b)
Water exhibits strong cohesion.
c)
. Water has an unusual crystalline structure.
d)
Water has a high capacity for heat.
105.
Water has a much higher specific heat than most other covalent compounds. What do you predict might happen if water had a low specific heat instead?
a)
Flooding would occur and animals would be forced to migrate
b)
 Harmful organisms living in water would reproduce at a rapid rate
c)
Organisms that are sensitive to changes in temperature would die
d)
Plants would not have enough water to effectively carry out photosynthesis
106.
 Many fish and aquatic plants can survive a cold winter because the layer of ice that forms at the top of the lake insulates the water below and prevents the lake from freezing solid. What unique property of water contributes to this effect? 
a)
Water absorbs heat when it evaporates and forms a gas 
b)
 Water expands and becomes less dense when it freezes.
c)
Water molecules completely separate into ions in solutions.
d)
 Water forms hydrogen bonds with ions and other polar substances. 
107.
 Which of the following characteristics of water is not a result of hydrogen bonding?
a)
adhesive strength
b)
capillarity
c)
cohesive strength
d)
All of the above are a result of hydrogen bonding.
108.

When is an ionic bond formed?

a)

when electrons are shared

b)

when protons are shared

c)

when oppositely charged atoms gain or lose electrons

d)

when oppositely charged atoms gain or lose a proton

109.

What makes carbon so important to life?

a)

bonding properties

b)

its place on the Periodic Table

c)

it is a reactant in all chemical reactions

d)

it is an enzyme

110.

What gives water so many important properties for life?

a)

adhesion and cohesion

b)

the amount of carbon in each molecule

c)

energy released exothermically

d)

hydrogen bonds give it polarity

111.

What makes a chemical reaction?

a)

matter is conserved

b)

breaking and forming of chemical bonds

c)

when products form reactants

d)

when you do a lab

112.

What are the smallest basic units of matter?

a)

molecules

b)

atoms

c)

elements

d)

7th graders

113.

Exothermic reactions

a)

absorb more energy than they release

b)

are cold

c)

do not use bond energy for activation

d)

release more energy than they absorb

114.

Which of the following solutions has the highest Hydrogen ion concentration?

a)

a solution with a pH of 1

b)

a solution with a pH of 4

c)

a solution with a pH of 7

d)

a solution with a pH of 10

115.

A catalyzed reaction

a)

increases the products made

b)

uses less activation energy to get started

c)

has a slower reaction rate

d)

uses more reactants throughout the reaction

116.

Enzymes act on

a)

products

b)

proteins

c)

amino acids

d)

substrates

117.

Atoms that share electrons are

a)

in a covalent bond

b)

in an ionic bond

c)

are usually salts

d)

always metals

118.

What are the reactants in this chemical equation?

a)

CH4 and 2O2

b)

carbon and oxygen

c)

CO2 and 2 H2O

d)

water and methane

119.

Activation energy

a)

is the term for the amount of energy in each reactant

b)

helps the enzyme to increase the rate of the reaction

c)

is the term for the amount of energy that needs to be added for a chemical reaction to start

d)

is the term for the amount of energy released by the reaction after it starts

120.

What are the 4 types of carbon-based molecules in organisms?

a)

carbohydrates, lipids, fatty acids, and monomers

b)

polymers, monomers, acids, bases

c)

adhesion, cohesion, evaporative cooling, and high specific heat

d)

nucleic acids, proteins, lipids, and carbohydrates

121.

What are proteins made of?

a)

amino acids

b)

monosaccharides

c)

nucleic acids

d)

fatty acids

122.

Which carbon-based molecule includes sugar and starches?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

123.

What is the primary function of DNA?

a)

to make nucleic acids

b)

long term energy storage

c)

store genetic information

d)

to function as RNA

124.

What are the products in this chemical reaction?

a)

calcium and oxygen

b)

Ca and CaO

c)

2Ca and O2

d)

2CaO

125.

What is happening in this picture?

a)

an enzyme is binding a substrate together to form a product

b)

an enzyme is breaking down a substrate to release new products

c)

the active site of the enzyme does not fit the substrate

d)

a change in pH has damaged the enzyme

126.

The building blocks of most living things contain the element

a)

carbon

b)

nitrogen

c)

calcium

d)

sodium

127.

Changes in the pH, temperature, enzyme concentration, and/or substrate concentration can negatively affect

a)

the activation energy of chemical reactions

b)

the bond energy released by reactants in a reaction

c)

the efficient function of an enzyme or catalyzed reaction

d)

the polarity of water used for evaporative cooling