Assertion: polypeptide's force | /r/HasProperty | selective pressure
Facets:
value: to increase its capacity
type: PURPOSE
Source sentences:
text: Thus, the driving force for the evolution of the ribosome from an ancient self-replicating machine into its current form as a translational machine may have been the selective pressure to incorporate proteins into the ribosome's self-replicating mechanisms, so as to increase its capacity for self-replication.