SVHS ADVANCED BIOLOGY
Tortora 9th edition
NAME: ______________________
PERIOD: 1 2 3 4 5 6
D.R. #2.2 - ORGANIC MOLECULES
ATER READING PAGES 35-40 TITLED ORGANIC COMPOUNDS
1.
List three characteristics regarding carbohydrates that would allow you to identify a carbohydrate from a
lipid, or fat molecule, or a protein molecule.
a.
b.
c.
2. A single ring sugar is called a _________________________ and an example is ____________________.
A double ring sugar is called a _________________________ and three examples are _______________
Sugars composed of multiple rings are called
_______________
____________________ and an example is ____________________.
3. Use a diagram in the space below to show how a glucose molecule and a fructose are combined in the process of
dehydration synthesis (condensation reaction). Show the subgroup attached to each sugar molecule that is
altered, what molecule is formed as a result of the reaction, and what atom is left between the two original
molecules. Label above mentioned items.
4. Explain how lipid molecules are similar to carbohydrates and how they differ.
5. Name the most common form of lipid found in the body.
______________________
6. Diagram and describe the structure of this lipid.
Show two fatty acids that are saturated and
show one that is unsaturated (monounsaturated)
Label the parts of the molecule.
7. Which type of organic molecule contains the
most stored chemical energy?______________
How much more is stored?___________________
Triglyceride (Monounsaturated)
8. Explain where trans fatty acids come from and why should you avoid them?
9. Name three essential fatty acids that the body needs.
________________________
________________________
________________________
10. Why are some of the essential fatty acids so important to you regarding health?
11. Describe the structure of the type of lipid called a steroid.
12. Describe the role of steroids in the body.
a.
b.
c.
d.
e.
f.