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Hoffman Biology #2
| Term | Definition |
|---|---|
| electron | part of the atom with a negative charge and circles the nucleus |
| proton | part of the atom with a positive and is located in the nucleus |
| nucleic acid​ | polymers made from nucleotides and consist of a sugar, a phosphate group and a nitrogen base |
| amino acid | made from combinations of carbon, hydrogen, oxygen, nitrogen and sulfur; chained in patterns to make proteins |
| protein | built from amino acids to perform specific functions in an organism |
| fatty acid | chain of hydrogen and carbon bonded to glycerol |
| lipid | usually consist of carbon, hydrogen and oxygen; includes fats, oils and cholesterol |
| carbohydrate | consist of carbon, hydrogen and oxygen; includes sugars and starches |
| valence electrons | electrons in the outermost ring of an atom and determine how the atom will bond with other atoms |
| atom | smallest unit of matter |