本题目来源于试卷: Interaction & Interdependence C.2 Cell Respiration，类别为 IB生物学
[单选题]
How many times does phosphorylation happen 5p ln3nfr94ya-ngo 3u/emqx( gx y6f5in gly9kfsxxl4zonse * m/4 6colysis?
A. Once
B. Twice
C. Four times
D. None
参考答案: B
本题详细解析:
In glycolysis, ATP is first needed to supply inorganic phosphate, which is attacjk, rqy;m7myjk1 5 3qnhed to the glucose molecule to form a phosphorylated sugar molecule, fructose 6-phosphate. ATP is needed again to supply a second inorganic;ym,m 1r jyj35nkqkq7 phosphate which is attached to this already phosphorylated sugar molecule to form fructose 1,6-bisphosphate.
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