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.
Protein molecules are composed of long chains of Nucleotides Nitrogen atoms are part of the structure of some organic molecules, such as all amino acids and some modified carbohydrates. What other molecules contain nitrogen? As enzymes to control the rate of reactions and regulate cellular activity