Name: ____________________________________________
Mr. LaFranca’s - Period ___________ Date: ________________________________
Aim:: The Chemistry of Life- Organic and Inorganic
Do Now: On the top of you note packet, write down 3 things that you might see on the nutrition label on the back of a can of food.
1) ______________________ 2) _____________________ 3) _________________________
Organic and inorganic molecules
• Molecules can be grouped into two categories:
- _________________________
- _________________________

_________________________________ are molecules that contain at least ______________________________________.
Are organic molecules more important than inorganic molecules?

________________________ are all the other molecules that do not fit the definition of organic molecules.

Remember that inorganic molecules can have carbon and hydrogen ____________________________________________.

Inorganic molecules are important because they can be ________
______________________________________________________.

Also inorganic molecules (such as __________________________
____________________) are important they are needed for certain body processes to occur.

What are some important organic molecule?
There are four major groups of organic molecule that are important to all living things:
• ________________________
• ________________________
• ________________________
• _________________________
• Carbohydrates – plays an important role as __________________.
• They are ________________________________.
• They are _____________________.
• Glucose (sugar) is a ________________________.
• Starches are _______________________________________.
• The subunit (building blocks) of carbohydrates is ____________.
________________-
- _____________________

•
•
•
• Lipids (fats) – plays an important role in __________________ and
_________________________________________.
They are __________________________________.
They are found in ___________________________.
Their subunits are fatty acids.
• Protein – ______________________________________.
• They are ______________________________.
• Their ________________________________ their function (job).
• Subunits of proteins are ___________________________.
• Some types of proteins are:
•
- ______________________
- ______________________
They are found in _________________________________.
• Nucleic Acid – ___________________________________
- ______________________
- ______________________
• The subunit of nucleic acid are ________________________.

Let’s Review 1.
What is the difference between an organic and inorganic
2.
3.
4.
5.
6.
7.
8.
molecule?
Answer: ___________________________________________
What is the difference between an atom and a molecule?
Answer: ___________________________________________
What are the 4 types of organic molecules?
Answer: ___________________________________________
What is the subunit of carbohydrates?
Answer: ___________________________________________
What is the subunit of lipids?
Answer: ___________________________________________
What is the subunit of proteins?
Answer: ___________________________________________
What is the subunit of nucleic acids?
Answer: ___________________________________________
Which organic molecule is ringed shaped?
Answer: ___________________________________________
9.
Which organic molecule is used in genetics?
Answer: ___________________________________________
10.
Which organic molecule is found in wax?
Answer: ___________________________________________
11.
Enzymes are what type of organic molecule?
Answer: ___________________________________________

AminoAcid, Atom,
Carbohydrates, Electron,
FattyAcids, Glucose,
Inorganic, Lipids,
Molecule, Neutron,
Organic, Proteins,
Across
1. The subunit of carbohydrates.
Proton,
4. Two or more atoms boned together.
5. Found in the nucleus of an atom and has a positive charge.
8. The subunit of proteins. (two word, no space)
10. A molecule that does not contain carbon and hydrogen together.
11. Found in the nucleus of an atom and has a neutral charge.
12. The subunit of lipids. (two words, no space)
13. A molecule that contains carbon and hydrogen.
Down
2. Found in orbits circling the nucleus and is negatively charged.
3. Enzymes and hormones are part of this organic group.
6. A ring shaped organic molecule.
7. An oily organic molecule.
9. This makes up matter.

Answers the following questions.
1. Which substance is an inorganic molecule?
A) starch B) protein
C) water D) fat
2. Which formula represents an organic compound?
A) Mg(OH)
2
B) NaCl
C) C
6
H1
2
O
6
D) NH
3
3. Which statement describes a similarity between all enzymes, antibodies, and hormones?
A) They are all types of proteins.
B) Their ability to replicate identical copies ensures continuation of the species.
C) They work better at 100°C than 37°C.
D) They are made by and carried by the blood.
4. Which substance is an inorganic molecule?
A) starch
B) DNA
C) Carbon dioxide
D) fat
5. The diagram below represents a biological process
Which set of molecules is best represented by letters A and B?
A) A: oxygen and water
B: glucose
B) A: glucose
B: carbon dioxide and water
C) A: carbon dioxide and water
B: glucose
D) A: glucose
B: oxygen and water
6. Water is classified as an inorganic compound because it
A) does not contain carbon
B) does not contain nitrogen
C) contains hydrogen
D) contains oxygen

7. Which compound is inorganic?
A) glucose (C
6
H l2
O
6
)
B) carbon dioxide (CO
2
)
C) ethane (C
2
H
6
)
D) stearic acid (C l8
H
36
O
2
)
8. Base your answer to the following question on the diagram below. Some structural formulas of organic molecules are shown below.
Which structural formulas represent carbohydrate molecules?
A) 1 and 5 B) 2 and 4 C) 3 and 2 D) 4 and 3
9. What are the building blocks (sub unit) of lipids?
A) Glucose
B) Amino acids
C) Fatty acids
D) Nucleic acids
10. Amino acids are the building blocks of which class of organic molecules?
A) Proteins
B) Lipids
C) Carbohydrates
D) Nucleotides
11. The way a protein molecule is folded determines the shape of the molecule, which determines the
A) function of that protein
B) structure of ATP containing that protein
C) type of simple sugars in that protein
D) amino acids in that protein