Amino acids are linked together into a polypeptide, the primary structure in the organization of proteins. The primary structure of a protein is the sequence of amino acids, which is directly related to the sequence of information in the RNA molecule, which in turn is a copy of the information in the DNA molecule.
The Largest Animal Ever: The Blue Whale. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight, it is the largest known animal to have ever existed.
The lionâs mane jellyfish, Cyanea capillata, is sometimes stated as the worldâs longest animal with the largest specimen recorded at 37m from bell to tentacle tip. The bell, the body of the jellyfish, can be 2m in diameter.