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.
: 1. Due to the present of carbon atom in polymers all large biological molecules are made of ____a) covalent bondc) metallic bondb) ionic bondd) triple bond. 2. Which one. is not. a polymera) carbohydrates c) nucleic acidb) proteins d) carboxylic acid. 3.