Download Organic Molecules

Organic Molecules:
Name: _________________________
Date: _____________
1. A polymer is a large molecule that forms when smaller molecules known as
monomers bond covalently in a repeating pattern. There are many biological
polymers such as nucleic acids, proteins, and starches. What are the monomer
units that make up nucleic acids?
a. Fatty acids
b. Nucleotides
c. Glucose
d. Amino acids
2. Which of the following are examples of nucleic acids?
a. Glucose and starch
b. Saturated fats and unsaturated fats
c. Collagen and keratin
d. DNA and RNA
3. Protein molecules are composed of long chains of ___
a. Ribosomes
b. DNA
c. Amino acids
d. RNA
4. In which of the following are lipids found?
a. Biological membranes
b. Saturated and unsaturated fats
c. Some vitamins and steroids
d. All of these
5. The characteristics of all organisms and viruses are determined by the
instructions carried in ___
a. Phosphoric acids
b. Nucleic acids
c. Hydrogen bonds
d. Sugar bases
6. Organic molecules called ____________ are insoluble in water, are often found
in biological membranes and other waterproof coverings and have the ability to
store energy for extended periods of time.
a. Nucleic acids
b. Proteins
c. Carbohydrates
d. Lipids
7. Sugars such as glucose, fructose, and ribose are examples of __
a. Lipids
b. Nucleic acids
c. Proteins
d. Carbohydrates
8. DNA is an example of a complex ___
a. Organic molecule
b. Inorganic molecule
c. Protein structure
d. Carbohydrate polymer
9. What are the two functional groups found in every amino acid?
a. Carboxyl and amino
b. Amino and hydroxyl
c. Sulfhydryl and carboxyl
d. Carbonyl and hydroxyl
10. Carbohydrates are composed of which three elements?
a. Oxygen, sulfur and phosphorus
b. Carbon, hydrogen and oxygen
c. Oxygen, hydrogen and nitrogen
d. Carbon, nitrogen and phosphorus
11. What is the structural difference between a polyunsaturated fat and saturated
fat?
a. There are multiple fatty acid chains on the polyunsaturated fat, while there
is only one on the saturated fat
b. There are double bonds present in the fatty acid chains of a
polyunsaturated fat but none in a saturated fat
c. The saturated fat is a liquid at room temperature, while the
polyunsaturated fat is a solid at room temperature
d. Polyunsaturated fats are in the ring form, while saturated fats are linear.
12. Nucleic acids are one of the four major macromolecules. The main function of
nucleic acids is to
a. Absorb energy from the Sun and transport it around the cell
b. Act as enzymes, cell signals, and structural support for the cell
c. Carry genetic material that helps to create structures inside the cell
d. Aid in development, the immune system and blood clotting
13. A ______ is a kind of lipid that can store energy for a long period of time. These
lipids are made up of long chains of carbon and oxygen atoms bonded to a
backbone structure.
a. Carbohydrate
b. Fat
c. Nucleic acid
d. Protein