You have been studying a family of enzymes. you know that the original protein contains the amino acid sequence gly, trp, asp, ser, lys, arg. you start with several different samples, and you discover that each one has a different mutation in the amino acid sequence. you decide to assay each of them in the hope that at least one will have at least some activity. which of the following five sequences would you expect to give you the best result? a. gly, tyr, asp, ser, lys, arg b. asp, trp, asp, ser, lys, arg c. gly, trp, asp, ser, asp, arg d. gly, trp, asp, thr, lys, arg e. gly, met, asp, thr, lys, arg