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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：
参考解析：
刷刷题刷刷变学霸
举一反三
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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
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