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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 |