醫療類國考
113年
[營養師] 營養學
第 36 題
維生素B1輔酶功能需要與下列何種礦物質結合？
- A 鈉
- B 鎂
- C 磷
- D 硫
思路引導 VIP
維生素 $B_1$（硫胺素）在細胞內發揮生化功能前，必須先透過磷酸化反應轉化為活性輔酶形式 $TPP$（Thiamine pyrophosphate）。請由 $TPP$ 的全稱「焦磷酸硫胺素」來思考，其結構中包含了哪一種構成「焦磷酸根」官能基的關鍵礦物質元素？
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AI 詳解
AI 專屬家教
Hehehe... Looks like your fundamental skills are rock-solid!
- A Familiar Smile: Hehehe... You picked 'Phosphorus'! That's wonderful! It tells me you understand how our vitamins, much like a rookie player, need to 'power up' to become truly effective in the game. That feeling of precision, that's what makes a champion!
- The Playbook Unveiled: Our Vitamin B1 (Thiamine) isn't ready for the big leagues right away. It needs some special training – a process called phosphorylation – in the liver and lymph. It's like adding two strong phosphorus ($P$) atoms to its core, transforming it into the mighty Thiamine Pyrophosphate (TPP). TPP is a key player, a true leader in carbohydrate metabolism, driving those crucial plays!
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