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proteins, lipids, na
for quiz #3
| Term | Definition |
|---|---|
| enzyme | protein that speeds up a chemical reaction |
| amino acid | monomer of a protein |
| elements that make up protein | C, H, O, N |
| polypeptide | chain of amino acids bonded together, primary structure |
| R group | part of the amino acid that varies |
| examples of lipids | fats, oils, steroids, and waxes |
| monomers of lipids | fatty acids and glycerol |
| saturated fatty acid | long hydrocarbon chain with only single covalent bonds in the carbon chain |
| unsaturated fatty acid | long hydrocarbon chain with one or more double bonds in the carbon chain |
| triglyceride | lipid made of 3 fatty acids and 1 glycerol |
| phospholipid | lipid that has a phosphate head and 2 fatty acid tails, make up the cell membrane |
| DNA | nucleic acid that makes up our chromosomes |
| RNA | nucleic acid that makes ribosomes |
| peptide bond | bond between 2 amino acids |
| monomer of nucleic acid | nucleotide |
| components of nucleotide | phosphate, sugar, base |