An −OH Group Is Characteristic of ____ and Functions to ____

An −OH group is characteristic of ____ and functions to ____.

A) amino acids; facilitate peptide bond formation
B) alcohols and sugars; increase solubility in water
C) ribose and deoxyribose; increase rigidity of the molecule
D) proteins; facilitate formation of secondary structures
E) sterols and phospholipids; increase the hydrophobic nature of the molecule