September , 2011
Mr. Johnson
Biology
Objectives
SWBAT describe the importance of
carbohydrates by examining their role in
the human body and their location in the
food guide pyramid.
SAT Word: perennial (adj.)
lasting for a long time, persistent; (n) a plant
that lives for many years
Drill:
1.
What is the role of Vitamin D in the body?
2.
Identify 4 types of organic compounds.
3.
What is the difference between organic
and inorganic molecules?
NOTEBOOK CHECK: Show us your drills
Key Vocabulary
Macromolecule- a very large
molecule
 Monomer- a molecule that can
combine with other molecules to
form polymers (subunits of
macromolecules)
 Polymer a larger molecule formed
from repeating subunits (monomers)

Notes
Carbohydrates
What is a Carbohydrate?
A
macromolecule used to store
and release energy (short term)
 Sugar
& Starch
What are the Types of
Carbohydrates?
 Monosaccharides-
one sugar
 Disaccharides- two sugars
 Polysaccharides- many sugars
What are Common Carbohydrates?
 Glucose
 Sucrose
 Fructose
 Cellulose
 Lactose
Did you notice a pattern?
What are Common Carbohydrates?
 Glucose
 Sucrose
 Fructose
 Cellulose
 Lactose
Did you notice a pattern?
What Does –ose Indicate?
 The
suffix –ose
indicates________________.
What is Glucose?
 The
most common simple sugar
(______________)
 Used as a source of energy for
living things.
What is Starch?
______ _______(polysaccharide)
 Used a source of energy for
living things.
A
Monosaccharides
Glucose
 Fructose
 Galactose

Disaccharides

Glucose + Glucose =

Glucose + Fructose=

Glucose + Galactose=
Polysaccharides
Starch
 Cellulose
 Glycogen

How do you test for the presence
of simple sugars?
To test for the
presence of simple
sugars… use
Benedict’s Solution.
 Add 5 drops of
Benedict’s Solution
and heat.
 If solution changes
to orange, then
simple sugars are
present.

B
e
n
e
d
i
c
t
s
How do you test for the presence
of Starch?
To test for the
presence of
starch… use
Lugol’s solution
(IKI iodine)
 Add 3 drops of
Lugol’s solution
 If a solutions
changes to blueblack, then starch
is present.

L
U
G
O
L
S
Work on this worksheet using
your notes
used to
store and
release
energy
Monosaccharides
Lugol’s
solution
(IKI iodine)
-ose
Benedict’s
Solution
and heat.
Summary
Go
back to the objective.
Was
it met? What did you
learn today?
Homework
 Complete
your analysis
questions from your lab.
 Review
your water and minerals
material… Quiz next class.