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关于变构调节的叙述中,错误的是( )。
A.变构调节使酶的活性均增
B.变构剂与酶的非催化部位结合
C.变构酶常由两个以上亚基组成
D.变构作用多为亚基的聚合或解聚
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A.变构调节使酶的活性均增
B.变构剂与酶的非催化部位结合
C.变构酶常由两个以上亚基组成
D.变构作用多为亚基的聚合或解聚
第1题
A.Phenytoin
B.dopamine
C.valproate
D.pentazocine
第2题
A、hydralazine; losartan; sodium nitroprusside; amlodipine
B、captopril; hydralazine; losartan; sodium nitroprusside
C、captopril; losartan; sodium nitroprusside; amlodipine
D、propranolol; losartan; sodium nitroprusside; amlodipine
E、propranolol; hydralazine; losartan; sodium nitroprusside
第3题
A、sodium chloride
B、fluorite
C、perovskite
D、body-centered cubic
第4题
What should people do to calculate the amount of salt in a product?
A.To multiply the sodium content by one-and-a-half times.
B.To multiply the sodium content by two-and-a-half times.
C.To multiply the sodium content by three-and-a-half times.
D.To multiply the sodium content by four-and-a-half times.
第5题
第7题
Liebman advises consumers to buy _________
A.bread that tastes good
B.food with a half milligram of sodium
C.bread with less sodium than normal
D.food with no sodium
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