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nutrition
nutrition
8
Biology
10th Grade
01/06/2009

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Term
nutrients
Definition
substances that provide energy and materials needed for metabolic activities
Term
heterotrophs
Definition
we obtain nutrients from the environment and convert it to a simplified form our cells can use.
Term
nutrition
Definition
the process by which organism obtain food and break it down
Term
cellular level
Definition
this means that un order for your cells to get the nutrients they need, you must go through the process of digestion.
Term
digestion
Definition
break down of food molecules into a form of cells can use (often into the molecules building blocks.)
Term
mechanical digestion
Definition
physical break down of food
Term
chemical digestion
Definition
uses enzymes to break bonds holding food molecules together
Term
hydrolysis
Definition
addition of water to break up a molecule
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