A level Biology Chapter 6 - Digestion+Absorption
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | specific tertiary structure of enzyme = specific active site shape complementary to specific substrate of maltose only. Every enzyme specific shape = only makes enzyme substrate complex with specific active site and substrate
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| show | Small Intestine
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| show | Dipeptidase
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| show | enzymes not lost with gut contents. More effective absorption of products by these enzymes
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| Absorption of galactose from SI is reduced if absorbing cells are treated with respiratory inhibitor. Suggest an explanation for this? | show 🗑
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| Describe role of Rough ER in formation of chylomicrons? | show 🗑
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| How do chylomicrons leave the epithelial cell? | show 🗑
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| Describe the role of enzymes of the digestive system in the complete breakdown of starch? [5 marks] | show 🗑
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| show | Glucose moves in with sodium via carrier protein,
sodium removed from epithelial cell by active transport (sodium potassium pump) into blood.
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| Why does damage to the microvilli mean people will have a lower conc of aa in their blood | show 🗑
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| Why does higher conc of bile salts (smaller droplets of bile salts) cause a mixture of bile salts and lipase to become a lower PH | show 🗑
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| How are epithelial cells of SI adapted for the absorption of glucose? [6 marks] | show 🗑
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| show | Break the peptide bonds and absorb amino acids.
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