The base of each cloud is flat and the top of each cloud has rounded towers. When the top of the cumulus clouds resemble the head of a cauliflower, it is called cumulus congestus or towering cumulus. These clouds grow upward and they can develop into giant cumulonimbus clouds, which are thunderstorm clouds.
Peptide Bond. Covalent bond between the nitrogen of the amino group of one amino acid and the carbon of the carboxyl group of a second amino acid, joining the 2 amino acids together in a peptide or protein.
The major classes of biological molecules that are important for all. living things are carbohydrates, lipids, proteins, and nucleic. acids. Large biological molecules are called macromolecules. 6. Macromolecules are built by combining smaller. building blocks into polymers. Polysaccharides (large carbohydrates) are polymers of. monosaccharides. Fats are built from fatty acids and glycerol.