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The name of the dipeptide H(2)Nunderse...

The name of the dipeptide
`H_(2)Nunderset(CH_(3))underset(|)(C)HCONHCH_(2)COOH`

A

Glycyl glycine

B

Glycyl Alaine

C

Glycine alanine

D

Alanyl glycine

Text Solution

AI Generated Solution

The correct Answer is:
To determine the name of the dipeptide represented by the structure `H₂N(CH₃)(C)HCONHCH₂COOH`, we can follow these steps: ### Step 1: Identify the Components of the Dipeptide The given structure consists of two amino acids linked by a peptide bond. We need to identify the two amino acids present in the structure. ### Step 2: Analyze the Structure 1. The left side of the structure has an amino group (NH₂) and a carbon chain with a methyl group (CH₃), which indicates that this part corresponds to **Alanine** (Ala). 2. The right side of the structure has an amino group (NH) and a carboxylic acid group (COOH), indicating that this part corresponds to **Glycine** (Gly). ### Step 3: Determine the Peptide Bond The peptide bond is formed between the carboxyl group of one amino acid and the amino group of another. In this case, the peptide bond connects Alanine and Glycine. ### Step 4: Name the Dipeptide When naming dipeptides, the amino acid at the N-terminus (the end with the free amino group) is named first. Here, Alanine is at the N-terminus, followed by Glycine. Therefore, the name of the dipeptide is **Alanylglycine**. ### Final Answer The name of the dipeptide is **Alanylglycine**. ---
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