H2AX phosphorylated at serine 129 in yeast, 139 in mammals) is referred to as g-H2AX. g-H2AX is a universal marker for double strand breaks

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

TLS Online TPP Program

#Id: 4638

#Unit 6. System Physiology – Plant

Seedlings grown in the dark display an etiolated growth pattern:

a) yellow unexpanded cotyledons

b) apical hook

c) Long hypocotyl