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Chemistry of Life
Bio - Unit 1
| Term | Definition |
|---|---|
| Carbon, Hydrogen, Oxygen, Nitrogen | 4 elements that make up 99% of living matter |
| carbon | element that forms the backbone of most biological molecules |
| organic | means "coming from life" |
| inorganic | means "non-living" |
| carbohydrates, proteins, lipids, nucleic acids | 4 groups of biochemicals |
| carbohydrates | organic compound made entirely of carbon, hydrogen, and oxygen |
| monosaccharides | simple sugar |
| disaccharides | double sugar |
| polysaccharides | many glucose molecules |
| starch and cellulose | two examples of polysaccharides |
| simple carbohydrates | grapes, honey, apples, bananas |
| complex carbohydrates | bread, cereal, pasta |
| lipids | fats, oils, and steroids |
| fats | animals store excess lipids as these |
| oils | plants store excess lipids as these |
| 4 uses of cholesterol | cell membranes, nerve tissue, brain tissue, hormones |
| amino acids | proteins are complex polymers of these smaller molecules |
| collagen | develops skin cells |
| myosin | develops muscle cells |
| enzymes | involved in chemical reactions |
| hemoglobin | blood to carry substances |
| DNA | genetic code |
| RNA | putting together or synthesizing proteins |