Touchdown  PCR is initiated at very high annealing temperatures, which allow only perfectly matched primer-template DNA hybrids to form and support amplification. The annealing temperature is dropped in a stepwise fashion with each cycle of PCR. 

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

TLS Online TPP Program

#Id: 10273

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10274

#Unit 6. System Physiology – Plant

Changes in osmotic potential of guard cells required for stomatal opening in the morning are mediated by potassium and its counterions, whereas the afternoon changes are mediated by sucrose.