The structure of a certain tripeptide is shown here:

a. i. Draw the displayed formulae of the three amino acids that make up the tripeptide.

ii. Which of these amino acids has two chiral carbon atoms?

b. This tripeptide can be split up into the three amino acids by refluxing with aqueous hydrochloric acid.

i. Which bond is broken in this reaction?

ii. The reaction can be described as hydrolysis. Explain why, using a diagram.

iii. Name the method commonly used to separate mixtures of amino acids.

iv. Explain how to set up the method used to separate amino acids.

v. Explain how the method to separate amino acids works.

Transcribed Image Text:

CH3 0 H H || H,N-C-C- NH –C-C- NH –C-C OH H H;C -C- GH, H H