Explain how and why carbon is so important in forming living things

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

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.

What is the starting point in replication called