Anaphase 1. It’s also the only answer where the chromosomes themselves separate.
I believe the answer is the primitive organic molecules were formed in an oxidizing atmosphere in the primordial soup.
ATP or Adenosine triphosphate is well know for it's energy source but despite it has many roles in cell. ATP is primarily used as energy source as it has higher energy in it's phospho-di-ester bonds between P and P atoms. It is hydrolyzed to ADP & AMP to give energy.
Answer:
Which mussels... You did not list them.