Chapter Twenty Five Lipid Metabolism.

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Presentation transcript:

Chapter Twenty Five Lipid Metabolism

Lipids cont’d CO 25.1 © Ron Sanford / CORBIS Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.1 In a fatty acid micelle, the hydrophobic chains of the fatty acids and monoacylglycerols are in the interior of the micelle. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.2 Chylomicron, a type of lipoprotein Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.3 The events that must occur before triacylglycerols can reach the bloodstream through the digestive process. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.4 Structural characteristics of the adipose cell. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.5 Hydrolysis of stored triacylglycerols in adipose tissue is triggered by hormones that stimulate cAMP production with adipose cells. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.6 Fatty acids are transported across the inner mitochondrial membrane in the form of acyl carnitine. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.7 Reactions of the fatty acid spiral for an 18:0 fatty acid. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d CC 25.1 The initial stages of exercise are fueled primarily by glucose; in later stages, triacylglycerols become the primary fuel. Adam G. Sylvester / Photo Researchers Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.8 Ketogenesis involves the production of ketone bodies from acetyl CoA. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.9 The pathway for utilization of acetoacetate as a fuel. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.10 The citrate-malate-pyruvate shuttle system for transferring acetyl CoA from a mitochondrion to the cytosol. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.11 Cycles of fatty acid biosynthesis pathways Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Table 25.1 Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.12 The sequence of cycles needed to produce a C16 fatty acid from acetyl ACP. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.13 Overview of the biosynthetic pathway for cholesterol synthesis. Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d CC 25.2 Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d CAG 25.1 Copyright © Houghton Mifflin Company. All rights reserved.

Lipids cont’d Fig. 25.14 Biosynthesis relationships among steroid hormones. Copyright © Houghton Mifflin Company. All rights reserved.