Which of the Following Tripeptides Is Formed When Alanine Is

question 46

Multiple Choice

Which of the following tripeptides is formed when alanine is treated with (Boc) ₂O and proline is treated with benzyl alcohol first and then reacted in the presence of DCC followed by treatment with aqueous NaOH.The dipeptide is then reacted with an ester of leucine in the presence of DCC followed by treatment with trifluoroacetic acid and aqueous NaOH?

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

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Definitions:

Scarcity

The limits placed on the amounts and types of goods and services available for consumption as the result of there being only limited economic resources from which to produce output; the fundamental economic constraint that creates opportunity costs and that necessitates the use of marginal analysis (cost-benefit analysis) to make optimal choices.

Opportunity Costs

Missing out on potential gains from various alternatives once a particular option is picked.

Economics Quiz

A set of questions designed to test knowledge and understanding of economic principles and theories.

Marginal Benefit

The additional satisfaction or utility gained from consuming or using one more unit of a good or service.