The isolation of plant nucleic acid fractions for purine and pyrimidine determinations.
D009696:Nucleic Acids; D010944:Plants / Q000378:metabolism*; D011687:Purines / Q000032:analysis*; D011743:Pyrimidines / Q000032:analysis*
D009696:Nucleic Acids; D011687:Purines; D011743:Pyrimidines; C030986:pyrimidine; C030985:purine
NUCLEIC ACIDS; PLANTS/metabolism; PURINES/determination; PYRIMIDINES/determination