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.
Transition leave was formerly called terminal leave. Rules used to request and steps to request transition leave. Rules used to request transition leave. Transition leave (formerly called terminal leave) is a chargeable leave granted together with transition from the Service, including retirement. The unit commander or designee is the approval authority for transition leave requests. Leave will not be granted if it exceeds that accrued or to be accrued between the date of approval and date of transition.