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 circle6 Plants use the sun’s energy to make carbohydrate from carbon dioxide and water. circle6 This is called photosynthesis. circle6 Humans and animals eat the plants and use the carbohydrate as fuel for their bodies. Chemical Reactions in the Body circle6 During digestion, the energy-yielding nutrients are broken down to monosaccharides, fatty acids, glycerol, and amino acids. circle6 After absorption, enzymes and coenzymes can build more complex compounds. circle6 In metabolism they are broken down further into energy (ATP), water and carbon dioxide. Chemical Reactions in the Body circle6 Metabolic reactions take place inside of cells, especially liver cells. circle6 Anabolism is the building up of body compounds and requires energy. circle6 Catabolism is the breakdown of body compounds and releases energy. Anabolic or Catabolic? box1 box1 9. Fatty acids provide energy. box1 box1 8. Fatty acids become body fat. box1 box1 7. A cookie becomes fatty acids. box1 box1 6. Amino acids become your muscles. box1 box1 5. A piece of ham becomes amino acids. box1 box1 4. Fasting. box1 box1 3. You consume more energy than your body expends. box1 box1 2. Glucose becomes glycogen. box1 box1 1. A cracker becomes glucose. Catabolic Anabolic Chemical Reactions in the Body circle6 The Transfer of Energy in Reactions—ATP circle6 A high-energy compound called adenosine triphosphate (ATP) is made. circle6 Coupled reactions are chemical reactions that occur simultaneously.
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2 Chemical Reactions in the Body circle6 Enzymes and coenzymes are helpers in reactions.
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