Where is pancreatic lipase active?

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Multiple Choice

Where is pancreatic lipase active?

Explanation:
Pancreatic lipase is active in the small intestine because that’s where fat digestion is completed: chyme mixes with pancreatic juice and bile there, creating the environment and access to emulsified fat needed for lipase to work. Bile salts emulsify fats to increase the surface area, and pancreatic lipase then hydrolyzes triglycerides into free fatty acids and monoglycerides at that interface. The stomach’s acidic environment hinders pancreatic lipase, and there isn’t significant fat-digesting activity in the large intestine. So the small intestine is the site of pancreatic lipase activity.

Pancreatic lipase is active in the small intestine because that’s where fat digestion is completed: chyme mixes with pancreatic juice and bile there, creating the environment and access to emulsified fat needed for lipase to work. Bile salts emulsify fats to increase the surface area, and pancreatic lipase then hydrolyzes triglycerides into free fatty acids and monoglycerides at that interface. The stomach’s acidic environment hinders pancreatic lipase, and there isn’t significant fat-digesting activity in the large intestine. So the small intestine is the site of pancreatic lipase activity.

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