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.
File Extension DCM. Information about DCM files and how to open them. DCM-DICOM Image. This is a file format created by the National Electrical Manufacturers Association (NEMA) is an image file stored in the Digital Imaging and Communications in Medicine (DICOM) format.