Which of the following statements are TRUE?
1 - Electron carriers are located at ribosomes.
2 - ATP is a common intermediate between catabolic and anabolic pathways.
3 - ATP is used for the long-term storage of energy and so is often found in storage granules.
4 - Anaerobic organisms are capable of generating ATP via respiration.
5 - ATP can be generated by the flow of protons across protein channels.