
酵素活性的影響因素
Quiz
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
許庭嘉 許庭嘉
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酵素的活性隨著溫度的升高而如何變化?
酵素的活性隨著溫度的升高先增加後下降。
酵素的活性隨著溫度的升高一直下降。
酵素的活性隨著溫度的升高持續增加。
酵素的活性隨著溫度的升高不變。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在什麼樣的pH值範圍內,酵素的活性通常最高?
pH 2到3
pH 6到8
pH 4到5
pH 8到10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
底物濃度增加時,酵素的反應速率會有什麼變化?
反應速率不會改變,始終保持不變。
反應速率會增加,直到達到酵素飽和點。
反應速率會減少,因為酵素被抑制。
反應速率會隨著底物濃度的增加而下降。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是酵素的抑制劑?它如何影響酵素的活性?
酵素的抑制劑是促進酵素活性的物質。
酵素的抑制劑是減少或阻止酵素活性的物質。
酵素的抑制劑是增加酵素數量的物質。
酵素的抑制劑是與酵素無關的化合物。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
舉例說明一種酵素的抑制劑及其作用機制。
環境酵素通過促進細胞呼吸來增強細菌生長。
阿莫西林是一種β-內酰胺類抗生素,通過抑制轉肽酶來阻止細菌細胞壁合成。
阿莫西林是一種抗病毒藥物,主要用於治療流感。
青霉素通過抑制細菌RNA合成來殺死細菌。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酵素的活化劑是什麼?它如何影響酵素的活性?
酵素的活化劑是水,它們不影響酵素的活性。
酵素的活化劑是糖類,它們使酵素失去活性。
酵素的活化劑是蛋白質,它們降低酵素的活性。
酵素的活化劑是金屬離子或小分子化合物,它們提高酵素的活性。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在高溫下,酵素的活性會受到什麼影響?
酵素的活性會轉變為其他物質。
酵素的活性保持不變。
酵素的活性會下降。
酵素的活性會增加。
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