Arabidopsis contains five genes encoding phytochromes, PHYA–PHYE, four of the five phytochromes appear mostly light-stable in the plant and function primarily in the regulation of LFRs and of shade avoidance involving changes in the R:FR ratio.

TLS Online TPP Program

#Question id: 29009

#Unit 7. System Physiology – Animal

vitamin D and PTH appear to stimulate production of mature osteoclasts through the dual action ____

TLS Online TPP Program

#Question id: 29010

#Unit 7. System Physiology – Animal

Glucocorticoids promote osteoclast activity and bone resorption by____

TLS Online TPP Program

#Question id: 29011

#Unit 7. System Physiology – Animal

PTH actions on the kidney

TLS Online TPP Program

#Question id: 29012

#Unit 7. System Physiology – Animal

Active transport of Ca2+ and PO43– is increased by a metabolite of vitamin D from__

TLS Online TPP Program

#Question id: 29013

#Unit 7. System Physiology – Animal

Which of the following is an active form of vitamin D ?

TLS Online TPP Program

#Question id: 29014

#Unit 7. System Physiology – Animal

25-hydroxycholecalciferol is converted to the more active metabolite 1,25-dihydroxycholecalciferol in which of the following cell ?