LEFT You have the following titration curve of an amino acid with a non-polar R-group with arrows on curve from (1) to (5). RIGHT This amino acid has the following structures ((a) to (e)) at different points of the titration curve Match each numbered arrow on the curve (from (1) to (5)) with the appropriate amino acid structure (from (a) to (e)) 12 (5) HNCHCOH + HNCHO (a) 10 (4) CH, CH Isoelectrie H.NCHCO + (b) ppint HNCHCO 43) CH CH (2) HNCHCOH HNCHCO (C) (d CH3 CH3 1.5 20 0.0 NaOH equivalents HNCHCO (e). CH3