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Rh Lecture 9 Slides. LIPID CATABOLISM lipid menagerie phospholipid triglyceride.

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Presentation on theme: "Rh Lecture 9 Slides. LIPID CATABOLISM lipid menagerie phospholipid triglyceride."— Presentation transcript:

1 rh Lecture 9 Slides

2 LIPID CATABOLISM

3 lipid menagerie phospholipid triglyceride

4 from McDonalds to Metabolism… fig17-1

5 from McDonalds to Metabolism…

6 The chylomicron: a lipoprotein fig17-2

7 mobilization of glycerol fig17-4

8 fig17-5 connecting the FA to CoA-SH

9 fig17-5 connecting the FA to CoA-SH good leaving group

10 fig 19-1

11 Carnitine: Charon* of the matrix! * you know, the boatman on the River Styx

12 Carnitine: Charon* of the matrix! * you know, the boatman on the River Styx

13 fig17-6 Transport of acyl-carnitine into the matrix rate-limiting step for oxidation of FAs

14 oxidation of fatty acids: three steps, one new… fig17-7

15  -oxidation: taking it two carbons at a time fig17-8

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20 iterated metabolic pathway

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23  -oxidation challenges… monounsaturated FA odd-carbon FA

24  -oxidation challenges… monounsaturated FA polyunsaturated FA odd-carbon FA

25  -oxidation of a mono- unsaturated fatty acid fig17-9

26  -oxidation challenges… monounsaturated FA polyunsaturated FA odd-carbon FA

27 what about 3-carbon leftovers? fig17-11

28 what about 3-carbon leftovers? fig17-11

29 what about 3-carbon leftovers?

30 the coenzyme B 12 reaction box17-2

31 deoxyadenosyl cobalomin or coenzyme B 12 box17-2

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34 comparison of FA oxidation mitochondria vs. peroxisomes box17-13 catalase

35 fatty acid metabolism in seeds… fig17-14

36 enzyme evolution in fatty acid oxidation fig17-15 one protein

37 ketone bodies fig17-16

38 fig17-18 formation of ketone bodies from Ac-CoA

39 formation of ketone bodies from Ac-CoA fig17-18

40 formation of ketone bodies from Ac-CoA fig17-18

41 formation of ketone bodies from Ac-CoA fig17-18

42 formation of ketone bodies from Ac-CoA

43 metabolism of a ketone body fig17-19

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47 liver synthesis of ketone bodies when TCA activity is low fig17-20


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