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.