Which of the Following Dipeptides Is Formed When Tyrosine Is

question 31

Multiple Choice

Which of the following dipeptides is formed when tyrosine is treated with (Boc) ₂O and proline is treated with benzyl alcohol/acid first and the resulting intermediates are reacted in the presence of DCC followed by treatment with trifluoroacetic acid and then aqueous NaOH?

• A) Tyr-Pro
• B) Pro-Tyr
• C) Pro-Pro
• D) Tyr-Tyr
• E) all of these

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A calculated value from sample data used to decide whether to reject the null hypothesis in statistical hypothesis testing.

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