[truthfreedom]

Well, the body kicks sucrase into action when sucrose is involved.

The body does not kick sucrase into action when sucrose is not involved.

That’s pretty different to me.

Try putting out a fire with hydrogen gas and oxygen gas.
I’ll take water for that, even though water is merely hydrogen and oxygen.

Much in the same way that water is merely hydrogen and oxygen, sucrose is merely fructose and glucose.

[Mase]

You're simply making a distinction without a difference. I have no idea why but you do seem interested in the subject so I would suggest buying a book called Understanding Nutrition by Whitney and Rolfes.

It provides a solid and easily understood overview of human nutrition and can prevent you from buying into much of the nonsense you find on the internet today. It should also (hopefully), in the future, prevent you from attempting to make analogies that are not analogous in any way.