Get an AnswerThe R group of lysine has an amino group that can be positivelySmart Writing ServicesOctober 25, 2017 10:23 amOctober 25, 2017Previous ArticleProblem 3.15 The major difference between a protein moleculeNext ArticleBIOL/CHEM 3361 Biochemistry I (and BIOL 6352) Spring 2016