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1.1 Biological Molecules

Total questions: 25

Worksheet time: 34mins

Name
Class
Date
1.

Name the biological molecules you have studied.

a)

Protein

b)

Nucleic acids

c)

Carbohydrates

d)

Lipids

2.
What is a biological molecule?
a)
organic molecule found in any organism
b)
any living thing
c)
any nonliving thing
d)
the building block of life
3.
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
4.
A biological polymer that stores and transmits genetic information is a ...
a)
nucleic acid
b)
carbohydrate
c)
lipid
d)
protein
5.
A biological polymer made of amino acid monomers is a 
a)
protein
b)
lipid
c)
carbohydrate
d)
nucleic acid
6.
A group of organic molecules that includes sugars, starch, and cellulose care called...
a)
proteins
b)
carbohydrates
c)
nucleic acids
d)
lipids
7.
Monomer of nucleic acids; consists of a phosphate group, deoxyribose (sugar), and a nitrogen-base. ATP is an example of this.
a)
steroid
b)
nucleotide
c)
polypeptide
d)
polymer
8.
What are the three components of a genetic molecule?
a)
A phosphate group, pentose sugar, and nitrogenous base
b)
Sucrose, Fructose, and Lactose
c)
A phosphate group, Pentose Sugar, and Oxygen base 
d)
A Carbon Group, Pentose sugar, and Oxygen Base
9.
What are the monomers of a polysaccharides?
a)
Amino Acids
b)
Nucleotides
c)
Triglycerides
d)
Monosaccharides
10.
Oranic molecules that always contain carbon, oxygen and hydrogen, often in a 1:2:1 ratio
a)
carbohydrates
b)
functional groups
c)
enyzme
d)
monosaccaride
11.
A class of biological molecules whose defining characteristic is their relative insolubility in water. Examples of these include steroids, oils, fats, and fatty acids.
a)
protein
b)
monomer
c)
lipids
d)
glycogen
12.
A large, folded chain of amino acids.
a)
protein
b)
steroid
c)
monosaccharide
d)
enyzme
13.
A series of amino acids linked in a linear fashion
a)
polymer
b)
triglyceride
c)
polypeptide
d)
carbohydrates
14.
Also known as simple sugars, these carbohydrate monomers.
a)
lipids
b)
nucleotide
c)
monosaccharide
d)
monomer
15.
Carbohydrates broken down into smaller molecules for what purpose?
a)
to form cell membranes
b)
to form muscle
c)
to transmit genetic information
d)
to provide energy
16.

Name the bond that joins fatty acids to glycerol.

a)

Glycosidic

b)

Peptide

c)

Phosphodiester

d)

Ester

17.

Name the bond that joins monosaccharides together.

a)

Glycosidic

b)

Peptide

c)

Phosphodiester

d)

Ester

18.

Name the bond that joins amino acids together.

a)

Glycosidic

b)

Peptide

c)

Phosphodiester

d)

Ester

19.

Define the primary structure of protein.

a)

A chain of amino acids joined together by peptide bonds.

b)

A chain of amino acids folded into a 3D shape held together by interactions between R groups.

c)

A chain of amino acids folded into a-helix or b-pleated sheet held together by H bonds between amine and carboxyl groups.

d)

Two or more amino acid chains joined together.

20.

Define the secondary structure of protein.

a)

A chain of amino acids joined together by peptide bonds.

b)

A chain of amino acids folded into a 3D shape held together by interactions between R groups.

c)

A chain of amino acids folded into a-helix or b-pleated sheet held together by H bonds between amine and carboxyl groups.

d)

Two or more amino acid chains joined together.

21.

Define the tertiary structure of protein.

a)

A chain of amino acids joined together by peptide bonds.

b)

A chain of amino acids folded into a 3D shape held together by interactions between R groups.

c)

A chain of amino acids folded into a-helix or b-pleated sheet held together by H bonds between amine and carboxyl groups.

d)

Two or more amino acid chains joined together.

22.

Define the quaternary structure of protein.

a)

A chain of amino acids joined together by peptide bonds.

b)

A chain of amino acids folded into a 3D shape held together by interactions between R groups.

c)

A chain of amino acids folded into a-helix or b-pleated sheet held together by H bonds between amine and carboxyl groups.

d)

Two or more amino acid chains joined together.

23.

What are the components of an amino acid? (choose two options)

a)

C5H10O5, P, C3H8

b)

Amine group, carboxyl group, hydrogen group, variable group

c)

pentose sugar, phosphate, glycerol

d)

NH2, COOH, H, R

24.
What type of fatty acid is this?
a)
Unsaturated
b)
Saturated
c)
Monounsaturated
25.

Select all options that are functions of lipids.

a)

Cell membranes

b)

Energy storage

c)

Hormone production

d)

All of the above

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