Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Their levels are homeostatically regulated by the DELLA nuclear repressors, which are ubiquitinated by the SCF-GID1 complex. The final step in their synthesis uses kaurenoic acid oxidase to remove a carbon, creating a characteristic diterpenoid structure. They were originally discovered as a metabolic by-product of a pathogen that causes bakanae, or foolish seedling disease. In adults, they induce flowering and fruit formation, but their main action occurs in seeds. Antagonistic to abscissic acid, this is, FTP, which plant hormone which induces stem growth in adult plants and germination in seeds
A:
Science