In this experiment, you obtain a percent recovery for carbon dioxide in Part A, which you then use in Part B with the antacid. Why can you use the same percent recovery for both parts? (Select all that apply)

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?