Sugars - Carbohydrates Sugars and Energy Contain C, H, O...

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1 Sugars and Energy Carbohydrates Contain C, H, O Monosaccharides Disaccharides Polysaccharides Monosaccharides (Sugars) 3-7 Carbons Can form rings Disaccharides Two monosaccharides linked together Polysaccharides Long chains of glucose monomers Energy storage in plants – starch in animals – glycogen Structural in plants – cellulose in crustaceans, insects – chitin Review of monomers & polymers
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2 ATP Adenosine Triphosphate A nucleotide with three phosphate groups ATP can break apart to provide energy Turns into ADP (adenosine diphosphate) and inorganic phosphate ATP stores energy temporarily Food Provides Energy Macromolecules are nutrients Broken down to small monomers that enter cells Oxygen needed to most efficiently harvest energy Cellular respiration Breaks glucose down into carbon dioxide and water, producing energy (ATP) C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 O ADP + P ATP Energy of glucose Electrons of glucose are high- energy Can be combusted - quick release as heat and light In the body, energy is slowly released by many small steps
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Sugars - Carbohydrates Sugars and Energy Contain C, H, O...

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