21. Lowered pH tends to increase cleavage rates by inhibiting methionine side chain oxidation. 22. Importantly, the methyl side chain in toluene is susceptible to oxidation. 23. Removal of the side chain has been shown to follow a mammalian pathway. 24. Wool is much less crystalline due to its greater bulkiness of its side chains . 25. The Mg antigen is carried on glycophorin A and lacks three O-glycolated side chains . 26. Chain length, side chains and functional groups all affect the properties of organic molecules. 27. The length of the side chain is increased when an oxymethylene bridge is indtroduced. 28. Many amino acids bear functional groups in the side chain . 29. It is the isobutyl side chain interactions with adrenergic drugs. 30. Rarer modifications can occur at oxidized methionines and at some methylenes in side chains .