检测大豆制品中尿素酶活性时,称取( )试样转入试管中,加入( )结晶尿素以及2滴酚红指示剂,家20~30ml蒸馏水,摇动10s,观察溶液颜色,记下呈红色的时间。
A.0.1g,0.01g
B.0.1g,0.02g
C.0.02g,0.02g
D.0.02g,0g
正确答案:C
检测大豆制品中尿素酶活性时,称取( )试样转入试管中,加入( )结晶尿素以及2滴酚红指示剂,家20~30ml蒸馏水,摇动10s,观察溶液颜色,记下呈红色的时间。
A.0.1g,0.01g
B.0.1g,0.02g
C.0.02g,0.02g
D.0.02g,0g
正确答案:C