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

Peptide Bond

A chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (dehydration synthesis).

Hydrophobic Nature

A property of molecules or substances that repel water or are not easily soluble in water.

−OH Group

Hydroxyl group, a functional group consisting of an oxygen atom connected to a hydrogen atom, influencing the molecular properties of alcohol.