Description: 435 chemistry: molecular biology and microbiology / 435 chemistry: molecular biology and microbiology/(410) plant cell or cell line, per se (e.g., transgenic, mutant, etc.); composition thereof; process of propagating, maintaining, or preserving plant cell or cell line; process of isolating or separating a plant cell or cell line; process of regenerating plant cells into tissue, plant part, or plant, per se, where no genotypic change occurs; medium therefore (420) culture, maintenance, or preservation techniques, per se (421) involving protoplast
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