1906722
Descrição
FlashCards por HazelAlison Dewar, atualizado more than 1 year ago
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Criado por HazelAlison Dewar
quase 10 anos atrás
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| Questão | Responda |
| Amylase Enzymes | Enzymes can break down nutrients into small, soluble molecules that can be absorbed. For example, AMYLASE causes the breakdown of starch into simple sugars. |
| Different Enzymes | Chemical digestion involves enzymes. These are proteins that function as biological catalysts. |
| Enzymes in Saliva | Saliva is slightly alkaline. Enzymes in saliva convert starch into glucose: amylase catalyses: starch → maltose maltase catalyses: maltose → glucose |
| In the stomach: From starch to glucose | The stomach produces hydrochloric acid. It kills many harmful microorganisms that might have been swallowed along with the food. The enzymes in the stomach work best in acidic conditions – at a low pH. |
| Bile: From starch to glucose | The enzymes in the small intestine work best in alkaline conditions - but the food is acidic after being in the stomach. Bile is a substance produced by the liver. |
| BILE | Bile is secreted into the small intestine where it has two effects: it neutralises the acid - providing the alkaline conditions needed in the small intestine it emulsifies fats - providing a larger surface area over which the lipase enzymes can work |
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