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Lecture 3

KIN 300 Lecture Notes - Lecture 3: Glycogenesis, Glycogenolysis, Monosaccharide


Department
Kinesiology
Course Code
KIN 300
Professor
Rodney Gaines
Lecture
3

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KIN 300 Lecture 3 Notes
Chapter 2: Essentials of Bioenergetics and Anaerobic Metabolic Pathways
Energy Production
Bioenergetics- Chemical process of converting food into energy, also referred to as metabolism
Energy from the sun is the ultimate source of all energy on earth
Forms of energy: Chemical, electrical, heat, mechanical
*Plants convert sunlight into carbohydrates*
*Body converts food to useful energy*
Carbohydrates
Rapid, readily available source of energy
3 forms: Monosaccharides: glucose, fructose, galactose
-6 carbon molecules in a ring
Disaccharides: maltose, sucrose
-Comprised of 2 monosaccharides
Polysaccharides: starch, cellulose, glycogen
Glycogen and Glucose
Glucose: Simple sugar (monosaccharide) also known as blood sugar; can be used for
energy or stored as glycogen
-Associated with diabetes
Glycogen: Storage form of glucose in animals (not plants); typically stored in muscle and
Liver
-Multiple glucose monomers bound together
Glycogenesis: Formation of glycogen from glucose
Glycogenolysis: Breaking down of glycogen into glucose
Glucose and glycogen are important for metabolism at rest and during exercise
Fats
-Want 20%-30% of fats in diet
-Can be metabolized for energy -Contained in both plants and animals
Two fats important for metabolism:
1. Fatty acid
-Even # of 4 to 24 carbon atoms bound in chain
-Saturated, monounsaturated, polyunsaturated
2. Triglyceride
-Form of fatty acids stored in fat cells
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