The correct answer should be something like: "Gene therapy involves the use of bacteria or viruses to deliver new or modified genes to cells". That is what can be concluded based on the paragraph you provided.
Water
The electrons stripped from glucose first end up forming oxygen as cellular respiration proceeds with the electron transport chain (step). Eventually, the oxygen is combined with the hydrogen ions initially released or split from glucose by the dehydrogenase enzyme. The reaction between oxygen and hydrogen ends up forming water.
I’m pretty sure it’s shale.
