AS Biology 2.1.2 Biological Molecules

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  • Created by: BethanyM
  • Created on: 04-10-15 15:49

1. Hexose, pentose and triose sugars are normally in what form?

  • In a helix structure
  • Ring/cyclic
  • Straight chains
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Other questions in this quiz

2. What is the product of beta galactose + alpha glucose?

  • Cellobiose
  • Lactose
  • Maltose

3. Give two properties of a disaccharide

  • sweet, soluble
  • sweet, insoluble
  • strong, insoluble

4. What is the main function of monosaccharides?

  • To provide a store of energy (i.e. starch)
  • To provide energy (i.e. glucose)
  • To provide cell structure (i.e. cellulose)

5. How does the structure of cellulose (in straight chains) aid its function?

  • Many polymers in a chain held by hydrogen bonds adds a lot of strength to cell walls supporting turgid cells
  • The straight chains give plant cells more surface area to take up water and minerals

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