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.1, 2.2 In the mouth Salivary Amylase which begins the digestion of starches works best at a pH of 6.75 to 7.00; once the partially digested starches move into the stomach, the digestion of starch ceases, there are two reasons for this, explain why?


2.1, 2.2 The table below shows the digestion rate for different foods; discuss the difference in the rate of digestion of fruit and vegetables and the digestion of chicken and beef.


Digestion time for various foods

Food Digestion time

Most Fruit 30 – 40 minutes

Most Vegetables 40 – 60 minutes

Grains 90 minutes

Chicken 2 – 3 hours

Beef 3 – 4 hours


2.1, 2.2 Explain in detail how each of the digested macronutrients are transported through the microvilli of the villi of the small intestine providing in-depth examples?


2.1, 2.2 The graph below shows the rate and PH of reaction for two enzymes; Pepsin and Trypsin.   Explain why the rate and pH is different for each enzyme?


 .1, 2.2. The diagram below shows the blood sugar trend in a person who has consumed a Snickers bar; discuss the digestion of processed sugar as found in the snickers bar in the digestive system.     Explain why the blood sugar levels peaked at 10 minutes, and why the blood sugar started to reduce after this peak?

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