Figure 1From: On the propagation of a conceptual error concerning hypercycles and cooperationA non-hypercyclic molecular network [24]with multiple ’trophic levels’ ( top ) and a possible biological analogue ( bottom ). P1 and P2: replicating oligomers as building blocks of polymerase P. L1 and L2: replicating oligomers as building blocks of ligase L.Back to article page