← Chapter 4: Carbon and the Molecular Diversity of Life Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Structural Isomers Two molecules that differ in their covalent arrangements Geometric Isomers Two molecules that differ in their spatial arrangements Enantiomers Two molecules that are mirror images of each other Hydroxyl The functional group -OH which is polar and an alcohol Carbonyl The functional group C=O that is a Ketone and Aldehyde Carboxyl The functional group -COOH that is an acid and polar Amino The functional group -NH(subscript)2 that is an amine and a base Sulfhydryl The functional group -SH that is a thiol and forms disulfide bridges in proteins Phosphate The functional group PO(subscript)3 that includes ATP, DNA, and phospholipids Methyl The functional group -CH(subscript)3 that effects the expression of genes