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Gr9 Bio Ch2 Carbs

Bio Ch2.4a Carbohydrate Bio Molecules

TermDefinition
CARBOHYDRATES Contain elements: C (carbon), H (hydrogen), & O (oxygen) Functions: 1) quick energy 2) energy storage 3) structure
Monosaccharides Carbohydrate monomer. (one sugar) Simplest sugars. Examples: glucose & fructose
Disaccharides Type of carbohydrate. (two sugars) Made of two monosaccharides joined together Examples: sucrose & maltose
Polysaccharides Carbohydrate polymer (many sugars) Made of three or more monosaccharides . Examples: Starch, Glycogen, Cellulose, Chitin
Starch Function: stores energy in plants Carbohydrate polysaccharide - found in PLANTS
Glycogen Function: stores energy in animals Carbohydrate polysaccharide - found in ANIMALS liver, muscles
Cellulose function Function: 1) creates structure in plants 2) as roughage (fiber) stays undigested in humans and keeps material moving in intestines
Chitin Function: creates structure in ARTHROPODS (insects) & FUNGI (mushrooms) Carbohydrate polysaccharide - found in exoskeleton & cell walls
Human Digestion starch - is easy to digest cellulose is hard to digest - but provides fiber which is good
Carbohydrate main functions: 1) quick energy (provided by glucose) 2) energy storage (provided by starch & glycogen) 3) structure (provided by cellulose - cell wall in plants)
Cellulose - what is it? Carbohydrate polysaccharide - found in cell walls of PLANTS - herbivores can digest cellulose well - most carnivores cannot digest cellulose
Herbivore Digestion (cows) Cows have bacteria in their stomachs which helps digest cellulose-rich (grass) meals
Created by: user-1770281
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