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Unit 1: Biomolecules

Total questions: 60

Worksheet time: 1hrs 16mins

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)

monosaccharide

5.

Glycerol and fatty acids are the monomers of _________.

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

6.

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

a)

Carbohyrdates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

7.

The monomer of Nucleic Acids is known as _________.

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Saccharide

8.

Which of the following is the correct pair of biomolecules and their monomers?

a)

Carbohydrate: Fatty Acids

b)

Protein: Amino acid

c)

Lipid: Nucleotide

d)

Nucleic Acid: DNA

9.

Enzyme is a/an...

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

10.

What biomolecule serves as structural materials in hair, nails and connective tissues?

a)

protein

b)

lipid

c)

carbohydrate

d)

nucleic acid

11.

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

12.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
13.
What elements are common to all 4 biomolecules?
a)
Carbon, hydrogen, nitrogen
b)
Carbon, Nitrogen, Phosphorus
c)
Carbon, Hydrogen, Oxygen
d)
Carbon, Hydrogen, Phosphorus
14.

How do animals store complex sugars?

a)

In the form of glycogen

b)

In the form of cellulose

c)

In the form of amylose

d)

None of the above

15.
The molecule in the diagram plays what role in the body?
a)
Releasing Energy
b)
Forming part of the sugar-phosphate backbone of DNA
c)
Storing Fat
d)
Controlling blood glucose levels
16.

Which are examples of lipids?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

17.

Which are examples of a carbohydrate?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

18.

Which are examples of proteins?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

19.

Which are examples of Nucleic Acids?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

20.

Building blocks of polymers.

a)

monomer

b)

polypeptide

c)

monosaccharide

d)

glycerol

21.

This reaction is known as a __________________ reaction.

a)

Dehydration Synthesis

b)

Hydrolysis

22.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
23.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
24.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
25.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
c)
generic
26.
What might happen if you didn't get enough carbohydrates?
a)
Your body wouldn't be able to build muscle mass
b)
Your body wouldn't have enough energy to function
c)
You would develop serious vitamin deficiencies
d)
Your bones and teeth would become weaker
27.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
28.

Fats and oils: a major source of food providing long term energy and other functions.

a)

Sugars

b)

Carbohydrates

c)

Lipids

d)

Proteins

29.

Fats and oils: a major source of food providing long term energy and other functions.

a)

Sugars

b)

Carbohydrates

c)

Lipids

d)

Proteins

30.

What part of a phospholipid attracts water?

a)

Hydrophobic (fatty acid)

b)

Hydrophilic (phosphate group)

31.

type of lipid used mainly as a waterproof covering

a)

wax

b)

steriod

c)

lipid

d)

phospholipid

32.

type of lipid used to make cetain hormones

a)

wax

b)

steriod

c)

lipid

d)

phospholipid

33.
a)

Saturated

b)

Unsaturated

34.
a)

saturated

b)

unsaturated

35.

Lipids are made of...

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

36.

Which of the following is a main function of a lipid?

a)

source of quick energy

b)

stores energy, insulates us, and makes up the cell membrane

c)

transport substances in and out of the cell

d)

stores genetic information

37.

Saturated fats are __________ at room temperature.

a)

liquid

b)

solid

38.

All amino acids have the same basic structure. Which part of the amino acid makes each each one unique?

a)

amino group

b)

carboxyl group

c)

R-group (side chain)

39.

Proteins are made of many ____ bonded together.

a)

amino acids

b)

enzymes

c)

polypeptides

40.

Dehydration synthesis is the reaction that occurs, allowing amino acids to bond. What happens during this process?

a)

add water to build a bond

b)

add water to break a bond

c)

remove water to build a bond

d)

remove water to break a bond

41.

The protein structure that results from a sequence of amino acids is:

a)

primary structure

b)

secondary structure

c)

tertiary structure

d)

quaternary structure

42.

What does an enzyme do?

a)

slows down chemical reactions

b)

speeds up chemical reactions

c)

increases the temperature of the reaction

43.

The molecule shown is a

a)

carbohydrate

b)

protein

c)

lipid

d)

nucleic acid

44.

The molecule shown is a

a)

lipid

b)

carbohydrate

c)

protein

d)

nucleic acid

45.

What's the monomer of a nucleic acid?

a)

fatty acid

b)

monosaccharides

c)

nucleotide

d)

amino acid

46.

An example of a nucleic acid is

a)

amino acid

b)

DNA

c)

sugar

d)

wax

47.

What is the function of nucleic acids?

a)

provide energy

b)

move substances in and out of cells

c)

build skin, hair, nails, muscles

d)

store genetic information

48.

Nucleic Acids are made of

a)

C, H, O

b)

C, H, O, N

c)

C, H, O, N, P

49.

Which food is high in protein?

a)

Strawberries

b)

Steak

c)

Pasta

d)

Butter

50.
Which macromolecule is this?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
51.
What is a protein: 
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids. 
c)
A polymer composed of fatty acids. 
d)
A polymer composed of nucleotides. 
52.

All of the following are functions of proteins except which one?

a)

Transport oxygen

b)

Speed up chemical reactions

c)

Provide immunity

d)

Short term energy

53.

All of the following are examples of proteins except which one?

a)

Hemoglobin

b)

Wax

c)

Antibodies

d)

Enzymes

54.

Which organic molecule is passed from parents to offspring?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

55.

What could be an issue if I do not consume enough protein regularly?

a)

Lead to a break down of muscle and tissue in the body

b)

Increase the amount of energy

c)

Dehydration of the body's cells

d)

Weight gain which can lead to heart disease

e)

Both A and D are correct

56.

Enzymes belong to which category of organic molecule?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic acids

57.

Which describes the functions of proteins in living things?

a)

structural, transport, signaling, catalysts, etc.

b)

stores and transmits genetic information

c)

stores energy and makes up cell membranes

d)

quick energy and forming cell structure

58.

All proteins

a)

have a unique structure that determines their unique function.

b)

are exactly the same in function but different in structure.

c)

are exactly the same in structure but different in function.

d)

are enzymes.

59.

Which of the following are examples of protein?

a)

cutin, waxes, fats, oils

b)

Collagen, enzymes, hemoglobin, insulin, and antibodies

c)

DNA& RNA

d)

Glucose, sucrose, glycogen, and cellulose

60.

What are the elements found in proteins?

a)

CHO

b)

CHO(P)

c)

CHON(S)

d)

CHONP

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