Assertion: dna | /r/HasProperty | desired
Facets:
Source sentences:
text: When used to purify phleomycin, the substance is elaborated as its phleomycin adduct; when only the deoxyribonucleic acid is desired, it is readily elaborated in pure form.
text: When unbound deoxyribonucleic acid is desired, preparing it by the method of this invention, it is sometimes, especially in the instance of vegetable matter, preferred to take the fresh substance and slowly freeze it.