Hemoglobin undergoes substantial changes in quaternary structure on oxygen binding: the a1b1 and a2b2 dimers rotate with respect to each other by

TLS Online TPP Program

#Question id: 10386

#Unit 6. System Physiology – Plant

 During light-regulated plant development many seeds require light to germinate, a process called

TLS Online TPP Program

#Question id: 10387

#Unit 6. System Physiology – Plant

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-

TLS Online TPP Program

#Question id: 10388

#Unit 6. System Physiology – Plant

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?

TLS Online TPP Program

#Question id: 10389

#Unit 6. System Physiology – Plant

The amount of light absorb by the plant per square meter (µmol m–2) known as

TLS Online TPP Program

#Question id: 10390

#Unit 6. System Physiology – Plant

Phytochromobilin autocatalytically attaches to the PHY apoprotein through

TLS Online TPP Program

#Question id: 10391

#Unit 6. System Physiology – Plant

Several of the structural domains in phytochrome, the N-terminal half of phytochrome contains;