hce_kmu
105年
普通生物及生化概論
第 56 題
Which of the statement about digestion system in animals is correct?
- A Stomach acid activates pepsinogen into pepsin.
- B Secretin modulates digestion by triggering acid release in the stomach.
- C The bile salts function in fat digestion by dispersing big droplets of fats to small droplets.
- D A fatty acid absorbed into an intestinal cell becomes part of a chylomicron.
- E Glucagon, the pancreatic hormone, functions to stimulate the liver to release glucose.
思路引導 VIP
為了保護分泌器官不被自己產生的強大酵素「消化」掉，身體通常會以不具活性的形式（酵素原）分泌。請試著思考：當這些不具活性的物質進到胃腔後，胃腔中哪一種特有的化學環境特徵（例如酸鹼度），最適合擔任那個「啟動開關」來改變蛋白質的結構呢？