If Glucose Labeled with ¹⁴C in C-1 Were Fed to Yeast

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 of ethanol only
C) In C-2 (methyl group) of ethanol only
D) In C-2 of ethanol and CO₂
E) In CO₂ only