Which amino acid contains sulfur in its side chain?

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Question: Which amino acid contains sulfur in its side chain?

Options:

Correct Answer: Cysteine

Solution:

Cysteine contains a thiol (-SH) group in its side chain, which includes sulfur.

Which amino acid contains sulfur in its side chain?

Which amino acid contains sulfur in its side chain?

Step 1: Understand what an amino acid is. Amino acids are the building blocks of proteins.
Step 2: Learn that amino acids have a central carbon atom, an amino group, a carboxyl group, a hydrogen atom, and a side chain (R group).
Step 3: Recognize that the side chain is what makes each amino acid unique.
Step 4: Identify that some amino acids contain special elements in their side chains, such as sulfur.
Step 5: Find out which amino acid has sulfur in its side chain. The amino acid cysteine has a side chain that contains a thiol group (-SH), which includes sulfur.

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