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.
Assignments. The word âassignmentâ means a transfer of all the rights a person owns in a piece of property. So whenever a person or entity transfers all the intellectual property rights it owns in a work of authorship, the transaction is usually called an âassignmentâ or sometimes an âall rights transfer.â.