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9 (a) In the box below, draw the dipeptide Phe-Arg at pH 7, with the N-terminus...

9 (a) In the box below, draw the dipeptide Phe-Arg at pH 7, with the N-terminus at the left and the C-terminus on the right. 9 (b) Draw a single box around the three non-hydrogen atoms directly involved in the peptide bond. 9 (c) Label the Phi (φ) and Psi (ψ) torsion angles in your drawing. 9 (d) How many positive charges are on this dipeptide at pH 7? 9 (e) What is the total net charge at pH 7 (the nearest whole number)? 9 (f) What is the one-letter amino acid code for Phe? 9 (g) What is the one-letter amino acid code for Arg?

9 (a) In the box below, draw the dipeptide Phe-Arg at pH 7, with the N-terminus at the left and the C-terminus on the right. 9 (b) Draw a single box around the three non-hydrogen atoms directly involved in the peptide bond. 9 (c) Label the Phi (φ) and Psi (ψ) torsion angles in your drawing. 9 (d) How many positive charges are on this dipeptide at pH 7? 9 (e) What is the total net charge at pH 7 (the nearest whole number)? 9 (f) What is the one-letter amino acid code for Phe? 9 (g) What is the one-letter amino acid code for Arg?
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