hhhhhh5881 hhhhhh5881 27-02-2024 Chemistry contestada what is the net charge of the pentapeptide ala-cys-ser-glu-asn at ph 7? the pka of r-groups for cys = 8.5 and glu = 4.0. a) -2 b) -3 c) 0 d) 1 e) none of these choices
