Essential Biochemistry - Connective Tissue (Section 2 - No. 1)
Which of the following amino acids is NOT typically found in collagen?
Glycine
Proline
Hydroxyproline
Cysteine
คำอธิบาย
Cysteine is not a major amino acid found in collagen. Glycine, proline, and hydroxyproline are essential for collagen's structure.