Because A, G, C, and T appear in the DNA, these molecules are called DNA-bases; A, G, C, and U are called RNA-bases. Uracil and thymine are identical except that uracil lacks the 5' methyl group. Adenine and guanine belong to the double-ringed class of molecules called purines (abbreviated as R).
Definition of decalcomania. 1  1 : the art or process of transferring pictures and designs from specially prepared paper (as to glass) 2  2 : decal.
What is a *.dcm file extension? A *.dcm file extension can refer to one of three files types: a DICOM image file, a DiskCatalogMaker catalog file or a DCM audio file. DiskCatalogMaker is a program for Macs by Fujiwara Software, while a DICOM image is a standard imaging format used in the medical field.