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WorksheetsOrganic Molecules
Total questions: 54
Worksheet time: 46mins
Name
Class
Date
1.
Based on the functional group how would you classify this molecule?
a)
Carbohydrate
b)
Nucleic acid
c)
Protein
d)
Lipid
2.
How is a Carboxyl Group commonly written?
a)
-OH
b)
-COOH
c)
-COH
d)
-CHOH
3.
What molecule is this?
a)
monosaccharide
b)
nucleic acid
c)
amino acid
d)
fatty acid
4.
What two elements make up the amino group?
a)
Hydrogen, Oxygen
b)
Nitrogen, Oxygen
c)
Potassium, Hydrogen
d)
Hydrogen, Nitrogen
5.
Monosaccharide and disaccharide names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
6.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
7.
Which functional group is present in this molecule?
a)
Hydroxyl only
b)
Hydroxyl and Amino
c)
Carbonyl and Amino
d)
Hydroxyl and Carbonyl
8.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
9.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
alcohol
d)
carboxylic acid
10.
Classify the compound based on the functional group present.
a)
ethane
b)
ethene
c)
ethyne
d)
aromatic
11.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
12.
What two elements are in Hydroxyl?
a)
Oxygen and Hydrogen
b)
Sulfur and Oxgen
c)
Helium and Neon
d)
Argon and Hydrogen
13.
This process removes a water molecule in order to bond monomers together:
a)
Dehydration Synthesis
b)
Exocytosis
c)
Osmosis
d)
Hydrolysis
14.
Which subunits make up the structure of all proteins?
a)
glucose
b)
amino acids
c)
carbohydrates
d)
fatty acids
15.
Which organic molecule is paired with its function?
a)
nucleic acid : to store energy
b)
proteins : to provide insulation
c)
lipids : to regulate metabolic
d)
carbohydrate : to provide quick–release energy
16.
Which is a Carbohydrate's monomer?
a)
Sugar
b)
Amino acids
c)
Monosacharide
d)
Nucleotide
17.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
18.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
19.
What is a triglyceride?
a)
a glycerol joined to 3 fatty acids
b)
a glycogen joined to 2 fatty acids
c)
4-fused carbon rings
d)
long chains of hydrocarbons and an alcohol.
20.
I am responsible for long term energy storage in mammals.
a)
Protein
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
21.
What elements make up carbohydrates?
a)
Carbon, hydrogen, nitrogen, oxygen
b)
sulfur, carbon, hydrogen
c)
glucose and fructose
d)
carbon, hydrogen, oxygen
22.
Glucose (sugar) is an example of a
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
23.
The best definition of "organic" in Biology would be:
a)
to be "fresh"
b)
to be alive
c)
to be chemical-free
d)
to contain Carbon and Hydrogen
24.
What is the chemical formula for Glucose?
a)
C12H6 O12
b)
CHO
c)
C6H12O6
d)
C1H2O1
25.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
26.
What is an isomer?
a)
Two different substances with the same chemical formula
b)
An atom with a different number of neutrons
c)
An atom with a different atomic mass
d)
A tool used to make ice cream
27.
C6H12O6 is the molecular formula for what carbohydrate?
a)
Sucrose
b)
Glucose
c)
Fructose
d)
Both glucose and fructose
28.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
29.
Which is an example of a lipid
a)
fat
b)
starch
c)
glucose
d)
hemoglobin
30.
Hydrolysis literally means
a)
To join with water
b)
To split with oil
c)
To split with water
d)
To join with oil.
31.
This term means "one/single"
a)
Mono
b)
Di
c)
Tri
d)
Poly
32.
Which of these is a lipid?
a)
triglycerides
b)
steroids
c)
fatty acids
d)
all of the above
33.
What Group does this photo represent?
a)
Hydroxyl
b)
Phosphate
c)
Amino
d)
Carboxyl
34.
Lipids are found in every cell on Earth. Which part of the cell do lipids make up?
a)
cell nucleus
b)
cell vacuole
c)
cell membrane
d)
cell golgi body
35.
What does hydrophobic mean?
a)
the fear of water
b)
the fear of hydrogen
c)
the love of water
d)
the love of hydrogen
36.
A bent structure due to the double bonds between carbon atoms creates a lipid known as what?
a)
saturated fat
b)
wax
c)
steroid
d)
unsaturated fat
37.
This molecules is a
a)
amino acid
b)
nucleic acid
c)
carbohydrate
d)
lipid
38.
Given the graph below, which statement best describes the role of enzymes?
a)
More energy is released without the presence of enzymes
b)
Less energy is needed to start a reaction when enzymes are present.
c)
A reaction is catalyzed by the lack of enzymes
d)
The presence of enzymes causes reactions to occur at a slower rate.
39.
The bond between two amino acids is called...
a)
Peptide bond
b)
Amino acid bond
c)
Nothing. There isn't a name for it
d)
Hydrogen bond
40.
What is an example of a protein?
a)
Strawberries
b)
Bread
c)
Pasta
d)
Steak
41.
How many different amino acids are there?
a)
15
b)
20
c)
25
d)
30
42.
Protein structures that speed up chemical reactions are :
a)
Coagulants
b)
Carbohydrates
c)
Enzymes
d)
Amino Acids
43.
This is the changing of the natural shape of a protein as a result of heat application
a)
Denaturation
b)
Digestion
c)
Blanching
d)
Oxidation
44.
What is the name of this molecule?
a)
amino acid
b)
nucleotide
c)
monosaccharide
d)
triglyceride
45.
Together, a sugar + phosphate + nitrogen base makes up a:
a)
sunitrate
b)
amino acid
c)
polypeptide
d)
nucleotide
46.
The structure of DNA can be described as a:
a)
trapeziod
b)
double helix
c)
concentric circle
d)
acute angle
47.
In DNA, adenine always pairs with:
a)
uracil
b)
cytosine
c)
guanine
d)
thymine
48.
Polypeptide is another name for:
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
49.
What is being represented by the letter A in the image?
a)
Substrate
b)
Enzyme
c)
Product
d)
Complex
50.
What is being represented by the letter B in the image?
a)
Substrate
b)
Enzyme
c)
Substrate
d)
Product
51.
The secondary structure of proteins consists of
a)
multiple subunits attached to each other
b)
the folded chain of amino acids with alpha helix and pleated sheets
c)
chains of amino acids
d)
the 3D shape of a protein
52.
A substance that ends with -ase is most likely a(n)
a)
carbohydrate
b)
substrate
c)
enzyme
d)
steroid
53.
Enzymes cannot be denatured by...
a)
salinity
b)
temperature
c)
pH
d)
stirring
54.
A substrate attaches to an enzyme here
a)
active site
b)
denaturing site
c)
pleated sheet
d)
triple helix
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