Question:medium

The general structure of alpha amino acid can be represented as
. Which amino acid is not correctly matched with R-given?

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It is very helpful to memorize the structures of the 20 common amino acids, especially by classifying them into groups: nonpolar, polar, acidic, and basic. Key ones to remember: - Glycine (R=H) - Alanine (R=CH\(_3\)) - Serine (R=CH\(_2\)OH) - Cysteine (R=CH\(_2\)SH) - Aspartic Acid (R=CH\(_2\)COOH) - Lysine (R=(CH\(_2\))\( _4 \)NH\(_2\))

Updated On: Mar 30, 2026

R = -CH\(_2\)-C\(_6\)H\(_4\)-OH(p) - (Tyrosine)
R = -CH\(_2\)-SH - (Cysteine)
R = -CH\(_2\)-CH\(_2\)-S-CH\(_3\) - (Serine)

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The Correct Option is C

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