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  • BMAT 2003 Section 2 Q1

  • Ari Horesh

    June 21, 2021 at 4:10 pm
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    The table below shows the proportions of undigested and digested carbohydrates, fats and
    proteins in three regions of the digestive system

    Which row of the table below correctly identifies the types of nutrient 1, 2 and 3?

  • EnterMedSchool Team

    June 24, 2021 at 7:07 am
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    Down Accepted answer

    Some simple things we must remember about our digestive system.

    – Starch (sugar) can be digested partially in our mouth by amylase, and by more enzymes in the small intestine, it skips the stomach, which can actually digest proteins.

    – Our stomach digest proteins with the enzyme “Pepsin” (pepsinogen), which is activated and turns into pepsin in our very acidic stomachs (around 1-2 pH!)

    Bile from the gall bladder emulsifies the fat to increase its surface area. The enzyme lipase (secreted by the pancreas) could break down the fats (into glycerol backbone and free fatty acids!)- Fats are only digestible in the small intestine. Why?

    Our answer is B

    – Ari.

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