Study notes on the structure and function of various groups of molecules including proteins, carbohydrates, and lipids (fats)

a. -A protein is a polymer of amino acids -Amino acids form a particular sequence -R group varies between amino acids and determined type of amino acid -Primary structure of a protein is it's unique sequence and number of amino acids -Determined by genetics -Determines other structures peptide bonds -Secondary structure of a protein is the three-dimensional shape including the various folding and coilings of the polypeptide chain <Tab/>-Result of …

…glycerol being joined to a phosphate group that's negative in charge <Tab/>-Hydrophilic head <Tab/>-Hydrophobic tail <Tab/>-Major components of cell membranes <Tab/>-Amphipathic molecule -Steroids are lipids characterized by a backbone of four linked carbon rings <Tab/>-Cholesterol is a common component of animal cell membranes <Tab/>-Testosterone, estrogen