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TLS Online TPP Program

#Id: 9828

phyC, phyD, and phyE appear to play roles that are for the most part redundant with those of phyA and phyB. Whereas phyB appears to be involved in regulating all stages of development

#Unit 6. System Physiology – Plant #Mechanisms of action of Phytochromes #Part B Pointers
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TLS Online TPP Program

#Id: 10267

#Unit 6. System Physiology – Plant

ABA is reported to promote accumulation of H2O2 in leaf tissues and enhance gene expression and enzyme activity for SOD, APX, and CAT
TLS Online TPP Program

#Id: 10268

#Unit 6. System Physiology – Plant

ABA also regulate the NHX1 Na+/H+ antiporter and
other ion transporters during salt stress
TLS Online TPP Program

#Id: 10269

#Unit 6. System Physiology – Plant

Flooding enhances Ethylene entrapment and biosynthesis, followed by a decrease in ABA concentration and an increase in responsiveness to the hormone gibberellin (GA)
TLS Online TPP Program

#Id: 10270

#Unit 6. System Physiology – Plant

The stomatal response to blue light is rapid and reversible, and it is localized in a single cell type, the guard cell
TLS Online TPP Program

#Id: 10271

#Unit 6. System Physiology – Plant
TLS Online TPP Program

#Id: 10272

#Unit 6. System Physiology – Plant

Guard cell volume depends on H+-ATPase. Orthovanadate, an inhibitor of the H+-ATPase,
inhibits this swelling