How many # of chromosomes does the sperm of a frog have ?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

I’m stuck on this question cuz i’m stupid sksksksk

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.