TLS Online TPP Program

#Question id: 12605


How is it that satellites can detect differences in primary productivity on Earth? 

#Unit 10. Ecological Principles
  1. Photosynthesizers absorb more visible light in the 350-750 wavelengths.
  2. Satellite instruments can detect reflectance patterns of the photosynthesizers of different ecosystems.
  3. Sensitive satellite instruments can measure the amount of NADPH produced in the summative light reactions of different ecosystems.
  4. By comparing the wavelengths of light captured and reflected by photosynthesizers to the amount of light reaching different ecosystems.
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TLS Online TPP Program

#Question id: 10460

#Unit 6. System Physiology – Plant

CCT overexpression mutant shows____

TLS Online TPP Program

#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?

TLS Online TPP Program

#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?

TLS Online TPP Program

#Question id: 10456

#Unit 6. System Physiology – Plant

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

TLS Online TPP Program

#Question id: 10455

#Unit 6. System Physiology – Plant

Phototropins regulate chloroplast movements via_____

TLS Online TPP Program

#Question id: 10454

#Unit 6. System Physiology – Plant

Arabidopsis mutants impaired in the chloroplast avoidance response with the help of PHOT1/PHOT2 led to the identification of a novel F-actin-binding protein known as