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Unformatted text preview: Kinesiology 110 Spring 2009 Barry Braun, PhD Lecture 2 questions 1. How would you define metabolism, catabolism, and anabolism? Metabolism: sum total of life processes - Includes: o Catabolism: breaking down/ release energy (energy production) o Anabolism: building up/ storing energy for later use (synthesis and energy storage) 3. What is the basic unit of energy?- Movement of energy between systems and conversion of energy from one form to another is the basis for life.- 1 st law of Thermodynamics o Energy cannot be created or destroyed, but can be converted to a different form Conversion of thermonuclear energy in the sun to chemical bond energy in plants- *Nuclear energy in the sun is converted to chemical bond energy and stored in that form by humans to be used for growth, movement and basic maintenance*- The energy contained in food (or people) can be assessed by combusting (burning) the food and measuring the heat produced (calorimeter)- Energy is measured in kilocalories (or Calories) = 1000 calories...
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This note was uploaded on 02/22/2011 for the course KIN 110 taught by Professor Lass during the Spring '08 term at UMass (Amherst).
- Spring '08