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following structure is related to which ...

following structure is related to which AA? `H-overset(COOH)overset(|)underset(CH_(3))underset(|)C-NH_(2)`

A

``Glycine

B

alanine

C

serine

D

tyrosine

Text Solution

AI Generated Solution

The correct Answer is:
To identify which amino acid corresponds to the given structure `H-COOH | CH3 | C-NH2`, we can follow these steps: ### Step 1: Analyze the Given Structure The structure provided consists of: - A carboxylic acid group (COOH) - A central carbon atom (C) bonded to: - An amino group (NH2) - A methyl group (CH3) ### Step 2: Identify the Components 1. **Carboxylic Acid Group (COOH)**: This indicates that the molecule is an amino acid since all amino acids have a carboxylic acid group. 2. **Amino Group (NH2)**: This is another characteristic of amino acids. 3. **Methyl Group (CH3)**: This suggests that the amino acid has a side chain that is a simple alkyl group. ### Step 3: Compare with Known Amino Acids Now, let's compare this structure with the structures of the given options: - **Glycine**: Structure is NH2-CH2-COOH (no side chain, just a hydrogen). - **Alanine**: Structure is NH2-CH(CH3)-COOH (the central carbon has a methyl group). - **Serine**: Structure is NH2-CH(CH2OH)-COOH (the side chain is a hydroxymethyl group). - **Tyrosine**: Structure is NH2-CH(CH2C6H5)-COOH (the side chain is a phenolic group). ### Step 4: Match the Structure From the analysis: - The structure `H-COOH | CH3 | C-NH2` matches with Alanine, which has a methyl group as its side chain. ### Conclusion The amino acid corresponding to the given structure is **Alanine**. ---
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