TY - GEN AU - KamĂ­nek,M TI - Letter: Evolution of tRNA and origin of the two positional isomers of zeatin SN - 0022-5193 PY - 1975///0808 KW - Biological Evolution KW - Molecular Conformation KW - Plants KW - Purines KW - RNA, Transfer KW - Zeatin N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0022-5193(74)80018-4 ER -