Chapter 6 Notes Dietary Energy and Cellular Respiration
Chapter 6 Notes Dietary Energy and Cellular Respiration BIOL 04102-03
Northwest Missouri State University
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This 2 page Class Notes was uploaded by Sarah Morse on Thursday October 6, 2016. The Class Notes belongs to BIOL 04102-03 at Northwest Missouri State University taught by Dr. Dieringer in Fall 2016. Since its upload, it has received 7 views. For similar materials see General Biology in Biology at Northwest Missouri State University.
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Date Created: 10/06/16
09.13.16 CHAPTER 6: SUPERSIZE ME THE SIZE OF THE PROBLEM I. Body mass index a. An estimate of body fat based on height and weight. II. Overweight a. Having a BMI between 25 and 29.9. III.Obese a. Having 20% more body fat than is recommended for one’s height, as measured by a body mass index equal to or greater than 30. IV. calorie a. The amount of energy required to raise the temperature of 1g of water by 1 degree Celsius. V. Calorie a. 1,000 calories or 1 kilocalorie (kcal) b. the capital C in Calorie indicates kilocalorie c. the Calorie is the common unit of energy used in food nutrition labels. COUNTING CALORIES I. Glycogen a. A complex animal carbohydrate, made up of linked chains of glucose molecules, that stores energy for short term use. II. Triglycerides a. A type of lipid found in fat cells that stores excess energy for long term use. PUTTING FOOD TO WORK I. Adenosine Triphosphate (ATP) a. The molecule that cells use to power energy requiring functions. b. The cells energy currency. II. Aerobic Respiration a. A series of reactions that occurs in the presence of oxygen and converts energy stored in food into ATP. III.Glycolysis a. A series of reactions that breaks down sugar into smaller units b. Glycolysis takes place in the cytoplasm and is the first stage of both aerobic respiration and fermentation. IV. Citric Acid Cycle a. A set of reactions that takes place in mitochondria and helps extract energy from food b. The second stage is aerobic respiration V. NAD+ a. An electron carrier b. NAD+ can accept electrons, becoming NADH in the process VI.Electron Transport Chain a. A process that takes place in mitochondria and produces the bulk of ATP during aerobic respiration b. The third stage is aerobic respiration WHEN OXYGEN IS SCARCE I. Fermentation a. A series of chemical reactions that takes place in the absence of oxygen and converts some of the energy stored in food into ATP b. Fermentation produces far less ATP than does aerobic respiration CURBING CULTURE I. Trans Fat a. A type of vegetable fat that has been hydrogenated, that is, hydrogen atoms have been added, making it solid at room temperature. II. Saturated Fat a. An animal fat, such as butter. b. Saturated fats are solid at room temperature. III.Unsaturated fat a. A plant fat, such as olive oil. b. Unsaturated fats are liquid at room temperature. 2
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