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โจทย์ อัตนัย
Based on the research, Choice A is false because the increase in activity of citrate synthase will increase the production of PHB. It is found that PHB production is stimulated by high ratios of NADPH/NADP. Therefore, Choice D is FALSE.
Choice A Reference Tilbrook K;Poirier Y;Gebbie L;Schenk PM;McQualter RB;Brumbley SM; (n.d.). Reduced peroxisomal citrate synthase activity increases substrate availability for polyhydroxyalkanoate biosynthesis in plant peroxisomes. Plant biotechnology journal. https://pubmed.ncbi.nlm.nih.gov/24944109/ Choice D Reference Sacomboio, E.N.M., Kim, E.Y.S., Ruchaud Correa, H.L. et al. The transcriptional regulator NtrC controls glucose-6-phosphate dehydrogenase expression and polyhydroxybutyrate synthesis through NADPH availability in Herbaspirillum seropedicae. Sci Rep 7, 13546 (2017). https://doi.org/10.1038/s41598-017-12649-0
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