(A) met-enkephali☆
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(A) Met-enkephalin: Tyr-Gly-Gly-Phe-Met
(B)Thyrotropin-releasing hormone (TRH) is a tripeptide (p-Glu-His-Pro-NH2)
https://www.sciencedirect.com/topics/neuroscience/thyrotropin-releasing-hormone
68 下列內源性荷爾蒙之結構中,胺基酸序列最短的是: (A) met-enk..-阿摩線上測驗