P6.1: In the reactions illustrated below, identify the functional groups which are acting as nucleophile, electrophile, and leaving group. b) Identify the nucleophile and the electrophile in the first...P6.1: In the reactions illustrated below, identify the functional groups which are acting as nucleophile, electrophile, and leaving group. b) Identify the nucleophile and the electrophile in the first step. For each step, draw the transition state, and also the products or intermediate species that would form according to the electron-movement arrows given. P6.5: Draw a stereochemically accurate Lewis structure of the peptide with the amino acid sequence CKTV.