4. Lipase is a digestive enzyme that digests fat droplets (droplets are fat alre

Question

4. Lipase is a digestive enzyme that digests fat droplets (droplets are fat already affected by an emulsifier). Lipase occurs in the alkaline conditions of the small intestine where NaHCO3 (weak base) is present. Given this information, indicate whether digestion would occur in the following test tubes (incubated at 37°C) and explain why it would or would not occur Tube 1: Water, fat droplets Dloohon Doce O Oa Tube 2: Water, fat droplets, lipase Tube 3: Water, fat drops, lipase, NaHCOs Dashen md oessc lupans Tube 4: Water, lipase, NaHCOs la diadehen b 5. Fats are digested to fatty acids and glycerol. As the reaction described in question 4 aron proceeds, will the pH of solution increase or decrease? Why? (

Explanation / Answer

Fat upon digestion gives glycerol and fatty acid. Fatty acids are weak acids. So as the reaction proceeds the pH of the solution will decrease. pH of the solution will decrease but it will not change drastically as fatty acids are weak acids

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