435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
243 | DF | MICRO-ORGANISM, PER SE (E.G., PROTOZOA, ETC.); COMPOSITIONS THEREOF; PROCES OF PROPAGATING, MAINTAINING OR PRESERVING MICRO-ORGANISMS OR COMPOSITIONS THEREOF; PROCESS OF PREPARING OR ISOLATING A COMPOSITION CONTAINING A MICRO-ORGANISM; CULTURE MEDIA THEREFOR {14} |
254.1 | DF | .~ Fungi {10} |
254.11 | DF | .~.~ Transformants {8} |
254.2 | DF | .~.~.~ Yeast; media therefor {3} |
254.21 | .~.~.~.~ Saccharomyces |