digestive system

• what type of enzyme is produced in the stomach?

  protease
• which term describes the pH in the stomach? why?


  acidic because the stomach produces hydrochloric acid
• which organ produces bile?

  liver
• how does bile help in the digestion of foods?

  it increases the surface area of fats
• what is the reagent used to test protein?

  Biuret reagent
• what is the reagent used to test for starch?

  iodine solution
• what is the reagent used to test for sugar?

  benedict’s solution
• give one safety precaution a student should take when using benedict’s solution

  wear goggles
• starch molecules are not absorbed into the blood from the digestive stystem . give one reason why


  starch molecules are too large/are insoluable