Part A: How many amino acids are in the peptide above? (Enter your answer as a whole number.) Part B: Identify the N-terminal amino acid in the peptide? (Enter your answer as the 3 letter abbreviation of the amino acid). Part C; Identify the C-terminal amino acid in the peptide? (Enter your answer as the 3 letter abbreviation of the amino acid). Part D: Input the entire sequence of the peptide using only the one letter codes. (Please enter as uppercase letters and do not include punctuation.)