Biology

• what elements make up carbohydrates

  Carbon, hydrogen and oxygen
• what is the ratio of hydrogen and oxygen atom as present in carbohydrates

  2 : 1
• what are examples of single sugars (2)

  • glucose
  • fructose
• what are examples of double sugars (2)

  • maltose
  • sucrose
• What are examples of complex carbohydrates (3)

  • starch
  • cellulose
  • glycogen
• where is glucose found in 


  found in plants and animals
• where is fructose found in

  common in plants , but rare in animals
• Structure of glucose

  A) What structure

  
• structure of fructose

  A) What structure