review sheet of AP Biology for Chapter 4-18.9.09
Subject:
Biology [1]
Tags:
Biology [9]
? ? ?Page | ? PAGE \* MERGEFORMAT ?1? review sheet of AP Biology for Chapter 4* 18.Sep.09 Chapter.4 :: Carbon and the Molecular Diversity of Life [[Page.58]] Overview ?Carbon ? The Backbone of Biological Molecules [[Page.58]] Although living organisms use water as their universal medium for life, they are made up of chemicals based mostly on the element carbon. Carbon enters the biosphere through the action of plants in the transformation of CO2 Of all chemical elements, carbon is unparalleled (best) in its ability to form molecules that are large, complex and diverse (various), and this molecular diversity had made possible the diversity of organisms that have evolved on Earth.