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【单选题】
生物体内的酶很容易降解、失活。洗衣粉中的酶却能长时间保持活性的原因是
[ ]
A.
生物体内的酶活性受温度影响，洗衣粉中的酶活性不受温度影响
B.
洗衣粉中的酶外层有特殊的化学物质层层包裹，保持其活性
C.
生物体内的酶是蛋白质，洗衣粉中的酶是无机物
D.
以上全部正确
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参考答案：
举一反三
【单选题】失活组织的特征以下哪一项错误的
A.
失去原组织的光泽，颜色变苍白、混浊
B.
失去原组织的弹性
C.
血液供应明显减少
D.
失去正常组织的感觉功能
E.
失去正常组织的运动功能
【单选题】How to Use the Sense of Smell Our sense of smell, which we normally take for granted, is nowadays being increasingly used for purposes which might surprise us if we aware of them. One area in which sm...
A.
3) preferred ______.A. the smell of shoes to that of flowersB. the smell of flowers to that of shoesC. the shoes in the room with purified airD. the shoes in the room with appealing smells
相关题目：
【单选题】失活组织的特征以下哪一项错误的
A.
失去原组织的光泽，颜色变苍白、混浊
B.
失去原组织的弹性
C.
血液供应明显减少
D.
失去正常组织的感觉功能
E.
失去正常组织的运动功能
【单选题】How to Use the Sense of Smell Our sense of smell, which we normally take for granted, is nowadays being increasingly used for purposes which might surprise us if we aware of them. One area in which sm...
A.
3) preferred ______.A. the smell of shoes to that of flowersB. the smell of flowers to that of shoesC. the shoes in the room with purified airD. the shoes in the room with appealing smells
参考解析：
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