<span>Yeasts are unicellular microorganisms that use sugar as food releasing carbon dioxide. With the released gas increases the pressure when oxygen is present inside the bottle, yeasts grow by the breathing process are consuming oxygen and producing carbon dioxide. And when the oxygen is finished the yeasts change to anaerobic metabolism and the degradation of sugar occurs by fermentation that produces greater amounts of alcohol and gaseous carbon dioxide.</span>
If by external sex, meaning gender, then yes, because X and X makes a female because that is the female genes but X and Y is the male gene so adding the Y would change the external sex.
I believe that would be vitamin A, because vitamin A generally increases with age.
Hope it helps!
Ribulose Biphosphate recycling is important for the continued production of glucose.
