| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
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| 41 |  | MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26} |
| 42 | DF | .~> Process involving micro-organisms of different genera in the same process, simultaneously |
| 43 | DF | .~> Preparing compound having a 1-thia-4-aza-bicyclo (3.2.0) heptane ring system (e.g., penicillin, etc.) {3} |
| 47 | DF | .~> Preparing compound having a 1-thia-5-aza-bicyclo (4.2.0) octane ring system (e.g., cephalosporin, etc.) {4} |
| 52 | DF | .~> Preparing compound containing a cyclopentanohydrophenanthrene nucleus; nor-, homo-, or D-ring lactone derivatives thereof {4} |
| 63 | DF | .~> Preparing compound containing a prostaglandin nucleus |
| 64 | DF | .~> Preparing compound other than saccharide containing a tetracycline nucleus (e.g., naphacene, etc.) |
| 65 | DF | .~> Preparing compound other than saccharide containing a gibberellin nucleus (i.e., gibbane) |
| 66 | DF | .~> Preparing compound other than saccharide containing alloxazine or isoalloxazine nucleus |
| 67 | DF | .~> Preparing compound containing a carotene nucleus (i.e., carotene) |
| 68.1 | DF | .~> Enzymatic production of a protein or polypeptide (e.g., enzymatic hydrolysis, etc.) |
| 69.1 | DF | .~> Recombinant DNA technique included in method of making a protein or polypeptide {7} |
| 70.1 | DF | .~> Using tissue cell culture to make a protein or polypeptide {2} |
| 71.1 | DF | .~> Using a micro-organism to make a protein or polypeptide {1} |
| 72 | DF | .~> Preparing compound containing saccharide radical {13} |
| 106 | DF | .~> Preparing alpha or beta amino acid or substituted amino acid or salts thereof {8} |
| 117 | DF | .~> Preparing heterocyclic carbon compound having only O, N, S, Se, or Te as ring hetero atoms {4} |
| 127 | DF | .~> Preparing compound containing at least three carbocyclic rings |
| 128 | DF | .~> Preparing nitrogen-containing organic compound {1} |
| 130 | DF | .~> Preparing sulfur-containing organic compound |
| 131 | DF | .~> Preparing organic compound containing a metal or atom other than H, N, C, O, or halogen |
| 132 | DF | .~> Preparing oxygen-containing organic compound {6} |
| 166 | DF | .~> Preparing hydrocarbon {1} |
| 168 | DF | .~> Preparing element or inorganic compound except carbon dioxide |
| 169 | DF | .~> Using actinomycetales |
| 170 | DF | .~> Using bacteria |
| 171 | DF | .~> Using fungi |