500
These are three of the four the classes of molecules. Also, provide two characteristics or examples of each.
What are LIPIDS (fatty acids, long carbon chains, hydrophobic, phospholipids, steroids, long-term energy, etc.), CARBOHYDRATES (sugars/mono/di/polysaccharides, starch, glycogen, fast energy, etc.), PROTEINS (amino acids, defense, storage, transport, enzymatic, hormonal, structure, peptide bonds, polypeptides, levels of structure, etc.), and NUCLEIC ACIDS (deoxyribonucleic acid, ribonucleic acid, genes, nucleotides, double-helix, etc.)