NTDT200 Lecture 13: Ch. 7
8 Mar 2017
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Refers to all the ways the body obtains and uses energy from food: anabolic reactions. Ex: glucose + glucose -- makes a glycogen: catabolic reactions. Energy transfer: energy released during breakdown of glucose, glycerol, fatty acids and amino acids is captured in adenosine triphosphate (atp, couple reaction: -------- Helpers in metabolic reactions: most reactions require enzymes, some enzymes require coenzymes to function. Pyruvate (3c0can be used to make glucose. Acetyl co-a (2c) cannot be used to make glucose. Can only be sustained for a short period of time lactate can be transported to live and converted to glucose (cori cycle) Releases energy more slowly but can be sustained longer (jog) Each cycle of fatty acid oxidation removes two carbons. The carbons combine with coa -> acetyl coa. Fatty acids cannot be used to make glucose. How many acetoyl coa molecules produced form 18-c fatty acid (9)
