1. why are goblet cells necessary for gi tract function? was there a difference in the amount of goblet cells in the stomach, duodenum, ileum, and large intestine? explain why this difference occurs or does not occur.

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.