单选题生物价的代表式BV=( )A氮储留量/氮吸收量×100B氮储留量/氮摄入量×100C氮吸收量/氮摄入量×100D氮排出量/氮摄入量×100
单选题
生物价的代表式BV=( )
A
氮储留量/氮吸收量×100
B
氮储留量/氮摄入量×100
C
氮吸收量/氮摄入量×100
D
氮排出量/氮摄入量×100
参考解析
解析:
[解析] 蛋白质生物价是反映食物蛋白质消化吸收后,被机体利用程度的指标。生物价=储留氮/吸收氮×100,故选择A。
相关考题:
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名词解释题生物价(BV)