BIOL-242 Lecture Notes - Lecture 54: Lipoprotein Lipase, Adipose Tissue, Cardiac Muscle
16 Jun 2020
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Chapter 24 part 6 | absorptive state & postabsorptive. Blood concentrations of energy sources equalized between absorptive state and postabsorptive state. Absorptive state four hours during and after each meal; absorption of nutrients occurring. Postabsorptive state late morning, late afternoon, all night; gi tract empty; energy sources supplied by breakdown of reserves. Glucose converted in liver to glycogen or fat. Synthesized fat + protein released to blood for storage by adipose tissue as very low density lipoproteins (vldls) Lipoprotein lipase catalyzes lipids of chylomicrons in muscle and fat tissues. Most glycerol and fatty acids converted to triglycerides for storage. Triglycerides used by adipose tissue, liver, and skeletal and cardiac muscle. Excess amino acids deaminated and used for atp synthesis or stored as fat in liver. Most amino acids used in protein synthesis. Figure 24. 18a major events & principal metabolic pathways of the absorptive state. Figure 24. 18b major events & principal metabolic pathways of the absorptive state.
