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Bio - Unit 1

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Term
Definition
Carbon, Hydrogen, Oxygen, Nitrogen   4 elements that make up 99% of living matter  
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carbon   element that forms the backbone of most biological molecules  
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organic   means "coming from life"  
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inorganic   means "non-living"  
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carbohydrates, proteins, lipids, nucleic acids   4 groups of biochemicals  
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carbohydrates   organic compound made entirely of carbon, hydrogen, and oxygen  
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monosaccharides   simple sugar  
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disaccharides   double sugar  
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polysaccharides   many glucose molecules  
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starch and cellulose   two examples of polysaccharides  
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simple carbohydrates   grapes, honey, apples, bananas  
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complex carbohydrates   bread, cereal, pasta  
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lipids   fats, oils, and steroids  
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fats   animals store excess lipids as these  
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oils   plants store excess lipids as these  
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4 uses of cholesterol   cell membranes, nerve tissue, brain tissue, hormones  
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amino acids   proteins are complex polymers of these smaller molecules  
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collagen   develops skin cells  
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myosin   develops muscle cells  
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enzymes   involved in chemical reactions  
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hemoglobin   blood to carry substances  
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DNA   genetic code  
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RNA   putting together or synthesizing proteins  
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Created by: WGZimm
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