Describe the following protein molecule's structure by its major components. a molecule is shown with components, from left to right, h2n-(=c-=c-)-cooh. in this description, -(chr)- means a that the four single bonds of the carbon atom are bonded to a hydrogen and a side chain r and a single bond to the left and right connecting to other components listed. -(o=c-nh)- means the carbon is double bonded to an oxygen and single bonded to a component to the left and to the nitrogen to the right, while the nitrogen is single bonded to the carbon, hydrogen, and another component to the right. 3 amino acids joined by 3 peptide bonds 3 amino acids joined by 2 peptide bonds 2 amino acids joined by 3 peptide bonds 2 amino acids joined by 2 peptide bonds