Hydrogen Gas has been nonexistent in the atmosphere since that time period
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What happens to the carbohydrate molecules in the fruit as they ripen?
During ripening, there is an increase in the breakdown of starch inside the fruit, and a corresponding increase in the amount of simple sugars which taste sweet, such as sucrose, glucose, and fructose. This process is particularly obvious in bananas as they ripen. Green bananas do not taste sweet at all, and the riper they get, the sweeter they taste. There is also a decrease in acidity as the fruit ripens and a decrease in bitter plant substances, such as alkaloids. Last, as fruits ripen they produce complex compounds that are released into the surrounding air, giving a ripe fruit its pleasant aroma.
Answer:
A trait that is controlled by more than one gene is called polygenic which translates to "multiple genes". ... In that case one gene has more than two alleles. An example of multiple alleles is blood type
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