試題詳解

85. If glucose labeled with ¹⁴C in C-1 were fed to yeast carrying out the ethanol fermentation, where would the ¹⁴C label be in the products?
(A) In C-1 of ethanol and CO₂
(B) In C-1 ofethanol only
(C) In C-2 (methyl group) of ethanol only
(D) In C-2 of ethanol and CO₂
(E) In COz only