
酵素特性選擇題

Quiz
•
Science
•
1st Grade
•
Hard
佳蒨 蔡
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
生物體中的酵素可以促使養分分解,而酵素本身主要是由下列何者所組成?
蛋白質
脂質
醣類
維生素
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
沛沛吃飯時,發現米飯咀嚼較久後會感覺有甜味,這是因為米飯裡的哪一種養分受到酵素作用而分解?
葡萄糖
澱粉
蛋白質
脂質
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右圖為某種由酵素參與的反應,請問圖中何者為酵素?
甲
乙
丙
丁
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
冰箱內的食物比較不容易腐敗,主要原因是細菌分解食物所需要的酵素,受到何種因素改變的影響而降低其活性?
酸度
鹼度
溫度
照光強度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關酵素特性的敘述,何者正確?
在生物體體外也可促進化學反應
一種酵素能催化多種化學反應
胃液中含有防止食物腐敗的酵素
唾液中可促進細胞壁的分解
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關酵素的敘述,何者錯誤?
不超過適宜的溫度時,溫度越高,活性越大
唾液中含有酵素
可利用血液運送到作用的器官
是生物體內的催化劑
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酵素和作用對象間必須配對,才能催化反應的特性,此種特性稱為什麼?
適合性
可用性
配對性
專一性
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