When the signaling molecules are synthesized and secreted by signaling cells, transported through the circulatory system and finally act on target cells distant from their site of synthesis, called as:

#Question id: 10455

#Unit 6. System Physiology – Plant

Phototropins regulate chloroplast movements via_____

#Question id: 10456

#Unit 6. System Physiology – Plant

Two identical subunits of UVR8 are linked in the dimer by a network of

#Question id: 10457

#Unit 6. System Physiology – Plant

Cryptochromes are blue-light photoreceptors that mediate several blue-light responses, including__hypocotyl elongation, cotyledon expansion, petiole elongation, anthocyanin production and several other responses. Which of the following graph given below correct representing of blue light responses?

#Question id: 10458

#Unit 6. System Physiology – Plant

Which of the following statements is not true for cry proteins?

#Question id: 10459

#Unit 6. System Physiology – Plant

The role of N-terminus and the C-terminus region of the cryptochrome is given below;

a) N-terminal region is involved in the dimerization of cryptochrome and conformational changes

b) C terminus of cryptochrome forms a complex with SPA1 and COP1 that prevents them from acting, thereby preventing the degradation of HY5

c) N-terminal region of cryptochrome forms a complex with SPA1 and COP1 that prevents them from acting, thereby preventing the degradation of HY5

d) Arabidopsis plants overexpressing only the C-terminal region of cryptochrome (CCT) which resemble light-grown seedlings when grown in darkness

Which of the following combinations from the above statements is correct?

#Question id: 10460

#Unit 6. System Physiology – Plant

CCT overexpression mutant shows____