Carbohydrate Digestion: B1.2.2, B1.2.3, B1.2.4: AQA

Biology Unit 1: Chapter 2:

Pages 2.2, 2.3, and 2.4 in the textbook, on chapter 2 unit 1. Check my powerpoint here which is based on these Q&A type revision notes.

I use the power point to revise (I have a whiteboard, so do lots of brainstorming, etc) and then use the documents to test myself. They might be a bit useless on their own.

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  • Created by: Marya
  • Created on: 12-12-11 20:46

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Page 1

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2.2 Carbohydrates ­ Monosaccharide's

1.What is a carbohydrate?
2. Give 5 points that explain the following statement "Life is based on a small number of chemical elements,"
and explain how large molecules like carbohydrates are constructed.
3. What is a monomer?
4. What is a polymer?
5. What is a…

Page 2

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2.2 Carbohydrates ­ Monosaccharide's

1. Carbo ­ cabon, hydro ­ water. Carbon molecules combined with water.
2. ­ C readily bonds with other C atoms
therefore a variety of different size carbon chains can be formed ­ backbone of structures
because c is so versatile in this way the variety…

Page 3

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8. Sucrose passes through the stomach to the small intestine, where the epithelial cells produce the enzyme
sucrase. Sucrase breaks down the single glycosidic bond between glucose and fructose.
9. Digested in the small intestine, producing lactase.
10. Babies produce a large amount of lactase because: Lactase is the enzyme…

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