Biomolecules and Chemistry in Everyday Life - Result Question 29

30. The total number of distinct naturally occurring amino acids obtained by complete acidic hydrolysis of the peptide shown below is

(2014 Adv)

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Answer:

Correct Answer: 30. $(1)$

Solution:

This problem can be solved by performing hydrolysis of peptide and determining the nature of product. Chemical reaction and product formed after hydrolysis of given peptide can be represented as

<img src=“https://temp-public-img-folder.s3.amazonaws.com/sathee.prutor.images/sathee_image/snip_images_JMY-v9qAORCd9IaYCYFocLMOTBDQLN9Rf6IVCfEcCYQ_original_fullsize_png.jpg"width="450"/>

(A) is glycine which is the only naturally occurring amino acid. While $(B),(C)$ and $(D)$ are not the naturally occurring amino acids. Hence, correct integer is $(1)$.



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