LSE 3

• What is the title of LSE 3?

  Carbohydrates : The sugars that feed us
• Carbohydrates consists of _, _ and _.

  carbon, oxygen and hydrogen
• True or False: Carbohydrate loading before the marathon increases the glycogen stores that supply your muscles with glucose.

  True
• When dissolved in water, most glucose molecules form a _-membered ring structure.

  6
• _ is the main fuel of our body.

  Glucose
• The chemical formula of glucose is

  C6H12O6
• The building block of polysaccharides are

  monosaccharides
• Red spheres in the structure of glucose represent

  oxygen atoms
• Grey spheres in the structure of glucose represent

  carbon atoms
• White spheres in the structure of glucose represent

  hydrogen atoms
• The chemical formula of fructose is

  C6H12O6
• Fructose has a _-membered ring.

  5
• True or False: The difference of glucose and fructose is the arrangement of their functional group.

  True
• _ is a disaccharide made of glucose and fructose.

  Sucrose
• _ produce glucose with the energy from photosynthesis.

  Plants
• Starch is an example of _ made out of chain of glucose molecules

  polysaccharide
• One main component of saliva is an enzyme called _.

  amylase
• It is a complex mixture of water, proteins, mineral salts, and enzymes produced by the salivary glands.

  saliva
• They are proteins that break down food and help speed up metabolism.

  Enzymes
• Most nutrients are absorbed in what intestine?

  small intestine
• It produces HCI, a strong acid that helps to degrade the food and skills of microorganisms.


  stomach
• True or False: Percentages on the right side means the percentage of recommended daily intake, per serving.

  True
• It has a low glycemic index which means it does not cause a spike in blood sugar.

  Rye bread
• It causes the blood sugar to rise to almost the same level as the rice.


  banana
• It only provides a small increase in the blood sugar after digestion.


  ice cream
• It has a glycemic load much lower than the other food items.


  carrot
• It creates a short-term increase in the blood sugar which rapidly declines the same manner as rice.

  cola
• The fastest level of blood glucose is _ and never drops below that.

  4mM
• Person _ has diabetes which are not capable of making insulin.

  A