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HYDROLYSIS
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ADIPOSE TISSUE•90% of adipose tissue is tryglycerides
•It supplies energy.
•Insulation.
•Provides minor physical protection
•Cholestrol storage
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GLYCEROLGLUCOSE
PYRUVATE
GLY
CO
LYS
IS
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FATTY ACIDS
•Activation of Fatty Acid
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-OXIDATION
Blue box = carbonRed box = acetyl CoA
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-OXIDATION
1. Activation by addition Coenzyme-A
2. carbon oxidized from CH2 to C=O (ketone)
3. Molecule split into acetyl CoA and Fatty acid 2 carbons shorter
4. Another Coenzyme-A added to shortened Fatty acid
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• Each cycle produces 1 acetyl-CoA– 18 carbon fatty acid would give 9 acetyl-CoA
• Cycles required is # of carbons/2 – 1– 18 carbon fatty acid would require 8 cycles
• Amount of energy from Fatty Acid depends on length of carbon chain– 18 carbon fatty acid would 120 ATP
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LIPOGENESIS• Making triglycerides from glycerol and fatty
acids
• Anabolic process
• Fatty acids made linking 2 carbon acetyl groups (from acetyl CoA) to growing chain
• Most Fatty acids have an even number of carbons
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ESSENTAIL FATTY ACIDS
•Those needed by the body, but not synthesized within the body in adequate amounts.
•Found in fish and some plants
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GLUCOSE TRIGLYCERIDES
PYRUVATE
GLYCEROL
ACETYL-CoA
glycolysis
gluc
oneo
gene
sis
-ox
idat
ion
lipog
ensi
s
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