Part One: Rags to riches to review for Miller & Levine Biology (2010) 2.3 test

play to review learning goals for chapter 2.3 for the 9/13/2018 test: learning goal A-I can understand the 6 elements that make up 97% or more of the mass of all organisms, and I can explain the special role/properties of Carbon; learning goal B-I can understand the structures and functions of the 4 classes of biological monomers and macromolecules.