23.脂肪酸和胆固醇合成所需NADPH主要来自于( )
A. 糖酵解
B. 糖有氧氧化
C. 磷酸戊糖途径
D. 脂肪分解
E. 尿素循环
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30.胆固醇的主要去路是_______、_______和_______。
Little Jemmy’s hands were dirty. His mum said to him, "__________"
A sign near grassland says "__________"
The teacher said to the noisy students, "__________”
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