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Resolution: standard / high Figure 3.
(a) A simple cycle, that can be autocatalytic if B1 ~ A and/or B2 ~ A; or non-autocatalytic if B1 !~ A !~ B2, where ~ is the equivalency relation. (b) A valid autocatalytic cycle.
Zachar and Szathmáry BMC Biology 2010 8:21 doi:10.1186/1741-7007-8-21 |