If you were on the bus and someone sprayed pepper spray, who would feel it first? Who would smell it
last?
Why do the people closer to the spray source
smell it sooner then the people further away
from it?

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?