Number of ways four different amino acids can be arranged in a peptide is to be identified. Concept Introduction: Many amino acids are linked together through amide bonds to form a biologically large molecule known to be proteins. Amino functional group is ( − N H 2 ) and carboxyl functional group is ( − C O O H ) and a R group is considered as side chain, when all these are bonded to same carbon atom. In protein the amide bond can link together with two amino acids to form a peptide bond. Primary structure of protein is a sequence in which the amino acids linked by peptide bond in a protein. The number of arrangement for each set of amino acid can be calculated from n !

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Chapter 18.6, Problem 18.21P

Interpretation Introduction

Interpretation:

Number of ways four different amino acids can be arranged in a peptide is to be identified.

Concept Introduction:

Many amino acids are linked together through amide bonds to form a biologically large molecule known to be proteins.

Amino functional group is (−NH2) and carboxyl functional group is (−COOH) and a R group is considered as side chain, when all these are bonded to same carbon atom.

In protein the amide bond can link together with two amino acids to form a peptide bond.

Primary structure of protein is a sequence in which the amino acids linked by peptide bond in a protein.

The number of arrangement for each set of amino acid can be calculated from n!

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