Carbohydrates

Carbohydrates are made from the atoms of carbon, oxygen and hydrogen. Carbohydrates are used as a source of energy and also to make parts of your cells. They are your primary (//first, most importa//nt) source of energy.

green spheres = carbons (6) silver spheres = hydrogen (12) red spheres = oxygens (6)
 * [[image:glucose.gif width="364" height="263" caption="http://www.worldofmolecules.com/" link="http://www.worldofmolecules.com/foods/glucose.htm"]] ||< To the left, you see a glucose molecule. The different colored spheres represent different atoms:

Carbohydrates are constructed in a 1:2:1 ratio. For each 1 atom of carbon there are 2 atoms of hydrogen and 1 atom of oxygen (1:2:1 ratio)

To read more on on glucose you may click on the diagram. || why. ||< ||
 * < The diagram to the right→ is of the same glucose molecule but represented differently. The numbers from 1-6 designate (represent) the position of the carbon atoms (green) the O's designate oxygens (red) and the H's (silver) designate hydrogens, but only the hydrogens bonded to an oxygen (OH). I'll have to find out

There are two types of carbohydrates: simple and complex. Simple carbohydrates are sugars. There are lots of different types of sugars, and you can recognize their names because they end in -ose, for example gluc__ose__, lact__ose__, fruct__ose__. Glucose is the simplest sugar and the one your body uses for energy. Complex carbohydrates are many sugars linked (//connected//) together. They are also called starch. Starch is produced (//made//) by plants, for example potatoes, wheat, rice and corn are all starches produced by plants. We eat lots of carbohydrates from plants in the form of bread, cereal or pasta.

Another type of complex carbohydrate is called fiber. Fiber can not be digested by your body, but is important for making your digestive system work well. Fruits and vegetables and whole grain foods are a good source of fiber.

In the video a nutritionist discusses carbohydrates, food labels and what diabetics might have to know about carbohydrates.

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 Assignments: 1. For this page use SQ4R:survey, question, read, recite, rewrite, review. 2. Are there any words you want to add to your notes? to the glossary? 3. Complete your notes for this page in your notebook. You may look at the note format page for help. 4. Complete the web outline for carbohydrates in your notebook. 5. Watch the Brain Pop review on carbohydrates and add notes to your notebook. 6. Take the Brain Pop quiz. You may use your notebook and take the review quiz BEFORE you take the graded quiz. Email your quiz results to ms.cunha@community prep.org [|Brain Pop - Carbohydrates]