The sample variance formula is given as

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#Id: 10221

#Unit 6. System Physiology – Plant

KNOX gene expression increases cytokinin levels in the shoot apical meristem by upregulating the cytokinin biosynthetic gene ISOPENTENYL TRANSFERASE7 (IPT7)

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#Id: 10222

#Unit 6. System Physiology – Plant

Cytokinin maintains meristem by controlling cell division

 Deficient mutants – lonely guy (LOG)/STM

 Gene activates cytokinins

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#Id: 10223

#Unit 6. System Physiology – Plant

Organo-genesis

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#Id: 10224

#Unit 6. System Physiology – Plant

BR biosynthetic pathway is a triterpenoid pathway. Mevalonic acid serves as a precursor of the triterpenoid pathway . Brassinosteroids are synthesized from the plant sterol campesterol

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#Id: 10225

#Unit 6. System Physiology – Plant

Members of the cytochrome P450 monooxygenase (CYP) enzyme family that are associated with the ER catalyze most of the reactions in the brassinosteroid biosynthesis pathway

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#Id: 10226

#Unit 6. System Physiology – Plant

BR regulate seed germination, cell elongation, cell division, senescence, vascular-differentiation, reproduction, root development, photomorphogenesis, and also respond to various biotic and abiotic stresses.