When initiation occurs, Cdc6 and Cdtl are displaced, returning the origin to the state of the postreplication complex, which contains only ORC. 

TLS Online TPP Program

#Id: 4582

#Unit 6. System Physiology – Plant

Pfr, in turn, can be converted back to Pr by far-red light. Known as photoreversibility, this conversion/reconversion property is the most distinctive property of phytochrome.

TLS Online TPP Program

#Id: 4583

#Unit 6. System Physiology – Plant

Lettuce seed germination is a typical photo reversible response controlled by phytochrome

TLS Online TPP Program

#Id: 4584

#Unit 6. System Physiology – Plant

The initial observation was that the germination of lettuce seeds is stimulated by red light and inhibited by farred light.

TLS Online TPP Program

#Id: 4585

#Unit 6. System Physiology – Plant

Typical photoreversible responses induced by phytochrome in variety of higher and lower plants

TLS Online TPP Program

#Id: 4586

#Unit 6. System Physiology – Plant

Corn and bean seedlings grown in the light or the dark

TLS Online TPP Program

#Id: 4587

#Unit 6. System Physiology – Plant

Developmental changes by light (photomorphogenesis) transformation from the etiolated to the green state.

a. A decrease in the rate of stem elongation

b. The beginning of apical-hook straightening

c. The initiation of the synthesis of pigments