Glc

where did you get, that D-glc doesn't form cellulose? If you studied the glycolysis, you should know the specifities of respective enzymes. Anyway, they are usually speciallied with the exception of hexose kinase. The other monosacharides ...

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that would be any three plants, since Glc is important photosynthesis and translocation intermediate ;)

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... is completely broken down to CO2 and thus the formula is C6H12O6 + whatever -> 6 CO2 + whatsoever thus, if you know, how many moles is 180 g of Glc, you know, how many moles of CO2 will you get and thus how many grams you get

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if it's in its native state, then it should be like oil > cellulose > starch > glycogen > Glc The reason, why I gave cellulose first (or just second after the oil) is, that it is well packed, so I would assume, it doesn't contain that much water as the other sugars ...

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you're rigth, the carbons in Glc are already partly oxidized and thus the released energy will be smaller in both cases.

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