Question:
Match List-I with List-II and identify the correct combination.
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Match List-I with List-II and identify the correct combination.
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Remember: Serine contains \(-OH\) and Cysteine contains \(-SH\) in their side chains.
Updated On: Jun 17, 2026
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Solution and Explanation
Step 1: Alanine
Side chain of alanine is:
\[
R=-CH_3
\]
Therefore
\[
A \rightarrow III
\]
Step 2: Leucine Side chain of leucine is: \[ R=-CH_2CH(CH_3)_2 \] Therefore \[ B \rightarrow I \]
Step 3: Serine Side chain of serine is: \[ R=-CH_2OH \] Therefore \[ C \rightarrow II \]
Step 4: Cysteine Side chain of cysteine is: \[ R=-CH_2SH \] Therefore \[ D \rightarrow IV \] Hence the correct matching is \[ \boxed{A-III,\; B-I,\; C-II,\; D-IV} \]
Step 2: Leucine Side chain of leucine is: \[ R=-CH_2CH(CH_3)_2 \] Therefore \[ B \rightarrow I \]
Step 3: Serine Side chain of serine is: \[ R=-CH_2OH \] Therefore \[ C \rightarrow II \]
Step 4: Cysteine Side chain of cysteine is: \[ R=-CH_2SH \] Therefore \[ D \rightarrow IV \] Hence the correct matching is \[ \boxed{A-III,\; B-I,\; C-II,\; D-IV} \]
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