Chapter 7 Notes

Chapter 7 Notes - Chapter 7 Overview to Metabolism NHM 101...

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1 Chapter 7 Overview to Metabolism NHM 101 Chemical Reactions in the Body c Plants use the sun’s energy to make carbohydrate from carbon dioxide and water. c This is called photosynthesis. c Humans and animals eat the plants and use the carbohydrate as fuel for their bodies. Chemical Reactions in the Body c During digestion, the energy-yielding nutrients are broken down to monosaccharides, fatty acids, glycerol, and amino acids. c After absorption, enzymes and coenzymes can build more complex compounds. c In metabolism they are broken down further into energy (ATP), water and carbon dioxide. Chemical Reactions in the Body c Metabolic reactions take place inside of cells, especially liver cells. c Anabolism is the building up of body compounds and requires energy. c Catabolism is the breakdown of body compounds and releases energy. Anabolic or Catabolic? b b 9. Fatty acids provide energy. b b 8. Fatty acids become body fat. b b 7. A cookie becomes fatty acids. b b 6. Amino acids become your muscles. b b 5. A piece of ham becomes amino acids. b b 4. Fasting. b b 3. You consume more energy than your body expends. b b 2. Glucose becomes glycogen. b b 1. A cracker becomes glucose. Catabolic Anabolic Chemical Reactions in the Body c The Transfer of Energy in Reactions—ATP c A high-energy compound called adenosine triphosphate (ATP) is made. c Coupled reactions are chemical reactions that occur simultaneously.
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2 Chemical Reactions in the Body c Enzymes and coenzymes are helpers in reactions. c
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Chapter 7 Notes - Chapter 7 Overview to Metabolism NHM 101...

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