Assertion: uracil | /r/CapableOf | take place
Facets:
value: spontaneously
type: MANNER
Source sentences:
text: In the context of DNA, the low level deamination of cytosine to uracil, which takes place spontaneously (and which might be of relatively minor significance when it occurs with free nucleotides or in mRNA), can have major effects, contributing to genome mutation, cancer, and evolution (6).