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Ch. 24 metabolism
Metabolism and obesity
Question | Answer |
---|---|
Metabolism | A series of biochemical reactions nutrients go through inside body cells; Substances are constantly being built up and torn down; cells use energy to extract energy from food then use some of this energy to drive their activities |
Concepts of Metabolism | 1. Energy Balance 2.Metabolic Rate 3.Glycolysis 4.Kreb's Cycle 5.Lipid and Amino Acid Metabolism |
Obesity | Is classified as a BMI of 30 or higher; Type 1 and 2 diabetes; Thrifty Gene Theory |
Type 2 Diabetes | Your body produces insulin but cells don't recognize it; insulin resistant |
Thrifty Gene Theory | Has to do with natural selection (genes); In times of famine and decreased crop production people with fast metabolisms die off while those with slow metabolisms are able to store fat and survive; we don't have famine issues anymore=fat |