| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| FOR 177 | DD | METHODS OF INTRODUCING A GENE INTO A HOST CELL, E.G., TRANSFORMATION OR TRANSFECTION, ETC. (935/52) {3} |
| FOR 180 | DD | .~ Using vector, e.g., plasmid, etc. (935/55) {2} |
| FOR 181 | | .~.~ Plasmid (935/56) |