Methionine is categorized as which type of amino acid?

Study for the Manor Preboards Module 2 Test. Use flashcards and multiple choice questions that include hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

Methionine is categorized as which type of amino acid?

Explanation:
The key idea is the makeup of the side chain, specifically the presence of sulfur. Methionine has a thioether side chain with a sulfur atom in it (for example, -CH2-CH2-S-CH3). That sulfur-containing feature is what places methionine in the sulfur-containing category. It lacks an aromatic ring, so it isn’t aromatic, and while its side chain is largely hydrophobic and nonpolar overall, the defining trait highlighted here is the sulfur in its structure.

The key idea is the makeup of the side chain, specifically the presence of sulfur. Methionine has a thioether side chain with a sulfur atom in it (for example, -CH2-CH2-S-CH3). That sulfur-containing feature is what places methionine in the sulfur-containing category. It lacks an aromatic ring, so it isn’t aromatic, and while its side chain is largely hydrophobic and nonpolar overall, the defining trait highlighted here is the sulfur in its structure.

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