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Macromolecules and Metabolic Pathways

Total questions: 100

Worksheet time: 52mins

Name
Class
Date
1.
Which of the following is NOT a biological macromolecule?
a)
Water
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
2.

Which macromolecule is used as our main source of energy?

a)

Nucleic Acids

b)

Lipids/fats

c)

Proteins

d)

Carbohydrates

3.

Which of the following is an example of carbohydrates?

a)

Steak

b)

Olive oil

c)

Bread

d)

DNA

4.

_______________ are the monomers of carbohydrates.

a)

Monosaccharides

b)

Polymers

c)

Complex sugars

d)

Fructose

5.

Which macromolecule stores energy?

a)

Carbohydrates

b)

Proteins

c)

Lipids/Fats

d)

Nucleic Acids

6.

The monomer of proteins is...

a)

Polymers

b)

Monosaccharides

c)

Fatty Acids

d)

Amino Acids

7.

What is the monomer of nucleic acids?

a)

RNA

b)

DNA

c)

Nucleotides

d)

Nucleic pieces

8.

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

a)

RNA

b)

FDA

c)

DNA

d)

RDA

9.

If this property of a protein is changed, the protein will denature and will no longer function properly

a)

Number of carbon and hydrogen atoms

b)

size

c)

shape

d)

color

10.

What do enzymes do?

a)

Speed up chemical reactions

b)

Stop chemical reactions

c)

Build tissues

d)

Store genetic information

11.

Enzymes are ___.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

12.

Enzymes ___ the activation energy needed for chemical reactions to occur.

a)

Lower

b)

Increase

c)

Stop

d)

Do not effect

13.

All enzyme names end in -_____.

a)

-ase

b)

-ose

c)

-ise

d)

-ese

14.

Which of the following is NOT an example of an enzyme?

a)

Lactose

b)

Lactase

c)

Pretease

d)

Lipase

15.

Enzymes are ___.

a)

always used up

b)

not used up

c)

only used once

d)

not important

16.

The active site is ___ for each different type of substrate.

a)

Specific

b)

General

c)

Not specific

d)

the same

17.

What is number 1 labeled in this diagram?

a)

Product

b)

Enzyme

c)

Substrate

d)

Enzyme-substrate complex

18.

Which of the following causes an enzyme to change its shape?

(choose all that apply)

a)

Temperature

(too hot/too cold)

b)

Light

(too bright/too dark)

c)

pH

(too acidic/too basic)

d)

Space

(too crowded)

19.

In this diagram two monosaccharides bond together to form a disaccharide while losing or releasing one water molecule. What type of chemical reaction is this?

a)

Hydrolysis

b)

Dehydration synthesis

c)

Degradation reaction

20.

In this diagram a disaccharide molecule is broken apart by adding a water molecule which results in two monosaccharide molecules . What type of chemical reaction is this?

a)

Hydrolysis

b)

Dehydration synthesis

c)

Synthesis Reaction

21.

The graphs show the reaction rate for an enzyme across a range of temperatures and pH. Based on the data, this enzyme functions best at what temperature and pH?

a)
b)
c)
d)
22.

9C The graphs show the reaction rate for an enzyme across a range of temperatures and pH.


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

a)

Temperature of 27°C and a pH of 4

b)

Temperature of 37°C and a pH of 6

c)

Temperature of 40°C and a pH of 8

d)

Temperature of 50°C and a pH of 10

23.

What is structure A?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

24.

What is structure D?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

25.

What is structure C?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

26.

What is the primary role of enzymes in biological systems?

a)

To provide energy for reactions

b)

To speed up chemical reactions

c)

To act as structural components

d)

To store genetic information

27.

How does temperature generally affect enzyme activity?

a)

Enzyme activity decreases with increasing temperature

b)

Enzyme activity is unaffected by temperature

c)

Enzyme activity increases with increasing temperature up to a point

d)

Enzyme activity is highest at freezing temperatures

28.

What happens to an enzyme when it is denatured?

a)

It becomes more active

b)

It loses its specific shape

c)

It binds more substrates

d)

It becomes a different enzyme

29.

Which of the following best describes the "lock and key" model of enzyme action?

a)

Enzymes can bind to any substrate

b)

Enzymes and substrates fit together precisely

c)

Enzymes change shape to fit the substrate

d)

Enzymes are permanently altered by the substrate

30.

What is the term for the minimum energy required to start a chemical reaction?

a)

Activation energy

b)

Kinetic energy

c)

Potential energy

d)

Thermal energy

31.

How does pH affect enzyme activity?

a)

Enzymes are not affected by pH

b)

Each enzyme has an optimal pH range

c)

Enzymes work best at pH 7

d)

Enzymes are denatured at any pH

32.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
33.

Which lettered graph represents the affect of light intensity on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

34.
Which of these will not affect photosynthesis?
a)
Light
b)
Temperature
c)
Glucose Availability
d)
Carbon Dioxide
35.
If a plant receives more carbon dioxide, what happens to the rate of photosynthesis?
a)
Increases
b)
Decreases
c)
Stays the same
36.

Which lettered graph represents the effect of temperature on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

37.
How does temperature affects photosynthesis rate?
a)
As temperature increases, photosynthesis rate also increases.
b)
As temperature decreases, photosynthesis rate also decreases.
c)
Plants cannot photosynthesis if the temperature is too cold or too hot. 
d)
All of the statements are true.
38.
Which conclusion best matches the trends shown on the graph?
a)
Bean plants produce more ATP than corn plants.
b)
Corn plants require more oxygen than bean plants.
c)
Corn plants release more carbon dioxide than bean plants.
d)
Corn plants produce sugars at a faster rate than bean plants.
39.

Which of these pairs represents the reactants of photosynthesis?

a)

Oxygen and water

b)

Glucose and oxygen

c)

Water and glucose

d)

Carbon dioxide and water

40.

Which of these pairs represents the products of photosynthesis?

a)

Oxygen and water

b)

Glucose and oxygen

c)

Water and glucose

d)

Carbon dioxide and water

41.

Which of these is NOT needed for photosynthesis to occur

a)

Glucose

b)

Sunlight

c)

Carbon dioxide

d)

Water

42.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
43.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
44.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

45.

Energy is produced during cellular respiration and stored in the form of ______.

a)

APT

b)

ATP

c)

TPA

d)

PTA

46.

Where does cellular respiration take place?

a)

Mitochondria

b)

Cell Membrane

c)

Nucleus

d)

Ribosomes

47.

Which of the following is produced during the process of cellular respiration?

a)

Carbon dioxide

b)

Energy (ATP)

c)

Water

d)

All of the above

48.

Which of the following is not an output of cellular respiration?

a)

Glucose and oxygen

b)

Carbon dioxide and water

c)

Carbon dioxide and energy

d)

Water and energy

49.

Which of the following is TRUE?

a)

Only animals undergo cellular respiration.

b)

Only plants undergo cellular respiration.

c)

Both plants and animals undergo cellular respiration.

d)

Neither plants nor animals undergo cellular respiration.

50.

Based on the diagram, which of the following materials does cellular respiration produce that plants use in photosynthesis?

a)

Carbon dioxide and water

b)

Carbon dioxide and energy

c)

Glucose and oxygen

d)

Sunlight, carbon dioxide and water

51.

Why is cellular respiration important to animals?

a)

It produces glucose.

b)

It forms carbon dioxide.

c)

It uses oxygen.

d)

It stores energy in ATP.

52.

Which of the following correctly explains why both plants and animals need to undergo cellular respiration?

a)

Both plants and animal cells need chemical energy to carry out cellular processes.

b)

Plant cells do not need chemical energy for cellular processes and animal cells do.

c)

Plants need to store more chemical energy and animals need chemical energy for cellular processes.

d)

Plant cells already have chemical energy stored in them and animal cells need chemical energy for cellular processes

53.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
54.
Which of these is NOT AN IMPACT photosynthesis has on an ecosystem:
a)
Oxygen for animals and humans to breathe
b)
Food for us to eat
c)
Taking CO2 out of the air
d)
Taking oxygen out of the air
55.
What three things are needed for a plant to do photosynthesis?
a)
Glucose, Oxygen, Sunlight
b)
CO2, Oxygen, Sunlight
c)
CO2, Water, Sunlight
d)
Oxygen, Water, Sunlight
56.
How does photosynthesis benefit heterotrophs?
a)
It adds carbon dioxide to the air.
b)
It creates a source of energy they can eat.
c)
It creates clean water.
d)
It eliminates harmful sugars.
57.
In which  organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
58.

Chemosynthesis:

a)

converts carbon dioxide or methane and nutrients into organic matter without sunlight

b)

Converts carbon dioxide into organic matter using sunlight

c)

Converts water into oxygen without sunlight

d)

Converts water into oxygen using sunlight

59.

The main difference between photosynthesis and chemosynthesis is:

a)

Photosynthesis gives off carbon doxide, while chemosynthesis gives off oxygen

b)

photosynthesis happens in the dark, while chemosynthesis happens in light

c)

photosynthesis uses chemicals (hydrogen sulfide) to make food, while chemosynthesis uses light

d)

chemosynthesis uses chemicals (hydrogen sulfide) to make food, while photosynthesis uses sunlight

60.

What do photosynthesis and chemosynthesis have in common? Select all that apply.

a)

They both use carbon dioxide

b)

They both make organic (carbon molecules) that can be used for energy

c)

they both use sunlight

d)

They both use water

61.

Please indicate the compound made from the splitting of the glucose molecule.

a)

Citric Acid

b)

Pyruvic Acid

c)

Lactic Acid

d)

Water

62.

In the absence of oxygen, which process comes after glycolysis

a)

fermentation

b)

krebs cycle

c)

electron transport chain

63.

One cause of muscle soreness is

a)

the Krebs cycle

b)

glycolysis

c)

alcoholic fermentation

d)

lactic acid fermentation

64.

Which process is used to produce beer and wine?

a)

glycolysis

b)

the Krebs Cycle

c)

lactic acid fermentation

d)

alcoholic fermentation

65.

Breathing heavily after running a race is your body's way of

a)

making more citric acid

b)

recharging the electron transport chain

c)

repaying an oxygen debt

d)

restarting glycolysis

66.

Fermentation would be considered a (n) _______ process.

a)

Aerobic

b)

Anaerobic

67.

Yeast go through which type of fermentation to make bread and wine?

a)

Lactic Acid

b)

Alcoholic

68.

Alcoholic Fermentation is different than Lactic Acid Fermentation in that it gives off

a)

ATP

b)

Carbon dioxide

c)

Oxygen

d)

ADP

69.

Would fermentation create any ATP molecules in its process alone without Glycolysis?

a)

Yes

b)

No

70.

Lactobacillus is a type of bacteria found in yogurt. Which type of fermentation would be responsible to create the yogurt?

a)

Lactic Acid

b)

Alcoholic

71.

What specific food molecule is needed for cell respiration?

a)

amino acid

b)

glucose

c)

sucrose

72.

What gas is released from cell respiration?

a)

oxygen

b)

carbon dioxide

73.

What gas is needed for cell respiration?

a)

oxygen

b)

carbon dioxide

74.

What process is used to make bread rise?

a)

photosynthesis

b)

chemosynthesis

c)

lactic acid fermentation

d)

alcoholic fermentation

75.

Plants require oxygen for cell respiration.

a)

true

b)

false

76.

Which of the following are produced during lactic acid fermentation?

a)

oxygen

b)

carbon dioxide

c)

ATP

d)

lactic acid

e)

alcohol

77.

Which of the following are produced during alcoholic fermentation?

a)

oxygen

b)

carbon dioxide

c)

ATP

d)

lactic acid

e)

alcohol

78.

Energy is released from ATP when

a)

phosphate group is added

b)

ATP is exposed to sunlight

c)

adenine bonds to ribose

d)

a phosphate group is removed

79.

Milk is converted to yogurt under certain conditions when bacteria in the milk produce acid. Which of these processes would you expect to be key in the production of yogurt?

a)

Krebs cycle

b)

alcoholic fermentation

c)

photosynthesis

d)

lactic acid fermentation

80.

Dora was feeling a burning situation in her thighs while doing the pit drill at volleyball practice. The burning sensation was a result of

a)

glucose

b)

lactic acid

c)

NADP

d)

ATP

e)

alcohol

81.
Why are macromolecules also known as "polymers?"
a)
They are large molecules made up of many monomers. 
b)
They are large molecules added together. 
c)
There are many types of macromolecules. 
d)
Many organisms have macromolecules.
82.

Glucose is an example of a

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

83.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
84.

Which is a Carbohydrate's monomer?

a)

Sugar

b)

Amino acids

c)

Monosaccharide

d)

Nucleotide

85.

Which monomers make up the structure of all proteins?

a)

glucose

b)

amino acids

c)

carbohydrates

d)

fatty acids

86.
The word saccharide means:
a)
sugar
b)
glucose
c)
sweetener
d)
carbohydrate
87.

Important to the structural integrity of plant cells, this is the single most abundant polysaccharide in the world.

a)

Starch

b)

Glycogen

c)

Cellulose

d)

Chitin

88.

What is the monomer of a nucleic acid?

a)

nucleus

b)

nucleotide

c)

nucleoplasm

d)

genes

89.

Most enzymes are composed of .....

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

90.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
91.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
92.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
93.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
94.
Which biomolecule is found in pastas and breads? (Hint: it is a polymer)
a)
Lipid
b)
Protein
c)
Simple Carbohydrate
d)
Complex Carbohydrate
95.
Which biomolecule is responsible for insulation and LONG term energy storage?
a)
Proteins
b)
Nucleic Acids
c)
Lipids
d)
Carbohydrates
96.
Which biomolecule group includes fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
97.

the body’s use of molecules for energy and growth

a)

claim

b)

proteins

c)

starch

d)

metabolism

98.

This type of reaction builds large molecules out of small molecules.

a)

Catabolic

b)

Anabolic

99.

Pyruvate has ___ carbons.

a)

6

b)

5

c)

4

d)

3

100.

ATP stores energy in these.

a)

Bonds between phosphate groups

b)

Disulfide linkages between thiols

c)

Carbon-carbon structural bonds

d)

van der Waals interactions

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