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Exam preparation - Lipid digestion

9 important questions on Exam preparation - Lipid digestion

Answer the following questions to explore how lipids (in particular triacylglycerol (TAG)) are digested in the gastrointestinal tract (GIT).
i) Does lipid digestion occur in the mouth?

Some

W S E's do not breakdown the N P F and O in the M

The M contains a small amount of L L (N P E) that does breakdown some of the E C's within the T

Ii) What role(s) does the stomach play in lipid digestion?

Once the F/O enters the S it separates into smaller D's within the C which makes the F/O easier to D

Ii) Are any enzymes present? If so what do the enzymes do?

Yes

G L E's can break some of the E bonds within the T's

Most of the breakdown of the T's occurs in the S I

Iii) How do the pancreatic lipases convert triacylglycerol (TAG) into MAG and fatty acids in the small intestine?

The P L E's break down the T's into O M and T F A's in the S I

This is done by C T of the E C's between the G and the FA's within the T

Iii) How are the monoacylglycerol (MAG) and fatty acids used to generate micelle’s?

The M and FA's associate together to form S M S

The S M S have a P O S (or H) (G and C A G in the FA) and a N P C (FA tails)

Iv) Once the micelles (referred to in part iii) are absorbed into the intestinal cells they require repackaging. What role do the micelles have in creating the chylomicrons (deliver TAG into the bloodstream)?

The M's are broken down into the M and FA C's

Iv) What happens after the micelles are broken down into the MAG and fatty acid components?

E B's are formed to link the M's to the FA's in order to create a T

What happens after the ester bonds are formed to link the MAGs to the fatty acids in order to create TAG?

Many T's combine with P, C and P to from C's, which are carried into the B S via the L S

v) Once in the bloodstream the chylomicron releases the TAG which is either stored or metabolised.
B) Discuss how and under what circumstances TAG would be metabolised.

The T is broken down into FA's and G by L L

L L's are present in the lining of the B V near T

Once inside the C, the FA's and G are M to generate A for the relevant various M R's

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Chemistry and Biochemistry

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Exam preparation - Lipid digestion

9 important questions on Exam preparation - Lipid digestion

Answer the following questions to explore how lipids (in particular triacylglycerol (TAG)) are digested in the gastrointestinal tract (GIT).i) Does lipid digestion occur in the mouth?

Ii) What role(s) does the stomach play in lipid digestion?

Ii) Are any enzymes present? If so what do the enzymes do?

Iii) How do the pancreatic lipases convert triacylglycerol (TAG) into MAG and fatty acids in the small intestine?

Iii) How are the monoacylglycerol (MAG) and fatty acids used to generate micelle’s?

Iv) Once the micelles (referred to in part iii) are absorbed into the intestinal cells they require repackaging. What role do the micelles have in creating the chylomicrons (deliver TAG into the bloodstream)?

Iv) What happens after the micelles are broken down into the MAG and fatty acid components?

What happens after the ester bonds are formed to link the MAGs to the fatty acids in order to create TAG?

v) Once in the bloodstream the chylomicron releases the TAG which is either stored or metabolised.B) Discuss how and under what circumstances TAG would be metabolised.

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Answer the following questions to explore how lipids (in particular triacylglycerol (TAG)) are digested in the gastrointestinal tract (GIT).
i) Does lipid digestion occur in the mouth?

v) Once in the bloodstream the chylomicron releases the TAG which is either stored or metabolised.
B) Discuss how and under what circumstances TAG would be metabolised.