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Biomolecule Test Corrections

Total questions: 58

Worksheet time: 35mins

Name
Class
Date
1.

Which biomolecules provide quick energy for the cell and also provide materials to build the cell membrane/wall?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

2.

Which biomolecules contains your genetic information?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

3.

Amino Acids are the monomers of __________.

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

4.

The monomer of carbohydrates is known as _______.

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Saccharide

5.

Just under an orca's skin lies a thick layer of blubber. Blubber helps insulate a whale from heat loss. Based on this information, which biomolecule is blubber primarily made of?

a)

Lipids

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

6.

Glycerol and fatty acids are the monomers of _________.

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

7.

Which biomolecules act as energy storage for the cell and also cushions and insulates organs?

a)

Carbohyrdates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

8.

The monomer of Nucleic Acids is known as _________.

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Saccharide

9.

The four most common elements found in biomolecules are __________.

a)

Sulfur, Phosphorus, Carbon, Oxygen

b)

Carbon, Oxygen, Nitrogen, Hydrogen

c)

Sulfur, Nitrogen, Carbon, Iron

d)

Carbon, Nitrogen, Hydrogen, Sulfur

10.

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)

11.

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

12.

Carbohydrates are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

13.

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

14.

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

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

15.

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

16.

Nucleic acids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

17.

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

18.

Lipids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

19.

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

20.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
21.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
22.
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 .
23.
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. 
24.

What is a substance called if it speeds up a chemical reaction?

a)

reusable

b)

catalyst

c)

specific

d)

fragile

25.

In the diagram, what is letter A?

a)

product

b)

enzyme-substrate complex

c)

substrate

d)

active site

26.

Letter D...

a)

enzyme

b)

active site

c)

substrate

d)

products

27.

Letter B...

a)

substrate

b)

active site

c)

enzyme

d)

products

28.

Letter C...

a)

products

b)

substrate

c)

enzymes

d)

active site

29.

Letter E...

a)

active site

b)

products

c)

substrate

d)

enzyme

30.
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.
31.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
32.
Enzymes speed up reaction rates by changing...
a)
Activation Energy
b)
pH
c)
Hydrogen Bonds
d)
Kinetic Energy
33.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

34.

The rate of photosynthesis can be influenced by...

a)

Temperature

b)

Carbon dioxide levels

c)

Light intensity

d)

Oxygen concentration

35.

Temperatures that are too high can slow photosynthesis because

a)

stomata stay open

b)

enzymes are ruined

c)

there is not enough CO2

d)

there is too much water

36.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
37.

The organic molecule that is the cell's primary form of energy?

a)

Glucose

b)

ATP

c)

ADP

d)

GMP

38.

Autotrophs (producers) can perform photosynthesis because they have -

a)

Mitochondria

b)

Ribosomes

c)

A Nucleus

d)

Chloroplasts

39.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
40.
Cellular respiration takes place in the
a)
nucleus
b)
cytoplasm
c)
ribosomes
d)
mitochondria
41.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
42.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
43.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
44.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
45.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
46.
What is aerobic? What is anaerobic?
a)
Aerobic = with Oxygen; Anaerobic = NO Oxygen
b)
Aerobic = NO Oxygen; Anaerobic = with Oxygen
c)
Aerobic = with sunlight; Anaerobic = NO sunlight
d)
Aerobic = NO sunlight; Anaerobic = with sunlight
47.
What is the function of the mitochondria?
a)
A mitochondria converts the sun's energy into food.
b)
A mitochondria converts glucose into energy for cellular functions.
c)
A mitochondria uses energy from the sun to for cellular processes.
d)
A mitochondria converts water into carbon dioxide for energy storage.
48.
Which biomolecule is for LONG TERM ENERGY?
CHO in chains?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
49.
Which biomolecule is for cell structure and function?
made of peptide chains
made in the ribosomes
shape is "cross" with an "N"
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
50.
Which biomolecule is the building block of DNA & RNA? 
phosphate, pentose sugar, nitrogen base
birdie
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
51.
Houses are made of bricks.
What are polymers made of?
a)
monomers
b)
polymers
c)
biomolecules
d)
cells
52.

Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?

a)

Carbohydrate

b)

Lipid

c)

Nucleic Acid

d)

Protein

53.

Which biomolecule makes up the cell membrane and hormones?

a)

lipids

b)

protein

c)

nucleic acid

d)

carbohydrate

54.

Which of these best represents a fatty acid molecule?

a)

F

b)

G

c)

H

d)

J

55.

An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two biomolecules must the supplement contain to provide these benefits?

a)

Carbohydrates and lipids

b)

Proteins and carbohydrates

c)

Nucleic acids and carbohydrates

d)

Lipids and nucleic acids

56.

Taq polymerase is an enzyme used in the polymerase chain reaction (PCR) to replicate fragments of DNA. A study published in 1976 examined the properties of Taq polymerase after the enzyme was isolated from Thermus aquaticus, a thermophilic bacterium that lives in the hot springs of Yellowstone National Park. The graph shows one of the results of the study.


Which statement about enzyme activity is best supported by this graph?

a)

An enzyme must be composed of multiple polypeptides, or subunits, to be active

b)

An enzyme’s rate of activity increases with time until it becomes inactive

c)

An enzyme functions best under specific temperature conditions

d)

An enzyme works equally well in bacteria that are adapted to high temperatures and in eukaryotic cells such as human cells

57.

Some foods that are rich in complex carbohydrates can be difficult to digest. Gas often forms as the foods are slowly digested by bacteria in the large intestine. The advertisement is for a nutritional supplement that prevents intestinal gas.


Which of the following represents evidence that could be used to support the claims about this product?

a)

Complex carbohydrates are found in vegetables and grains, which are good sources of fiber, vitamins, antioxidants, and minerals. Vegetables and grains are known to reduce the risk of heart disease

b)

Some nutritional supplements provide vitamins and minerals that are missing from a person’s diet. These types of nutritional supplements contain important nutrients that reduce the risk of malnutrition

c)

Consuming enzymes specific for carbohydrate digestion helps the body digest complex carbohydrates more quickly in the stomach and small intestine

d)

Some nutritional supplements add beneficial bacteria to a person’s diet. These bacteria populate the stomach and prevent carbohydrate digestion

58.

The diagram represents one way an enzyme can be inhibited.


Which statement explains the effect of an inhibitor on an enzyme?

a)

A substrate will be able to bond with the enzyme

b)

The enzyme will likely be attacked by immune cells

c)

The enzyme will be unable to produce more enzymes

d)

A substrate will be unable to attach to the enzyme

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