September, 2011 Mr. Johnson Biology. Objectives SWBAT describe the importance of carbohydrates by examining their role in the human body and their location.

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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? A ______ _______(polysaccharide) Used a source of energy for living things.

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. BenedictsBenedicts

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 blue- black, then starch is present. LUGOLSLUGOLS

Work on this worksheet using your notes

used to store and release energy -ose Lugol’s solution (IKI iodine) Benedict’s Solution and heat. Monosaccharides

Homework Complete your analysis questions from your lab. Review your water and minerals material… Quiz next class. Summary Go back to the objective. Was it met? What did you learn today?