Inner cell mass (ICM) cells of the mouse blastocyst are maintained in a pluripotent state through E-cadherin interactions with trophectoderm cells that activate the Hippo kinase cascade and repress the function of Yap/Taz as transcriptional regulators of Cdx2.

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#Id: 10284

#Unit 6. System Physiology – Plant

K+in channels are inhibited directly by the rise in [Ca2+]cyt. Overall, therefore, the increase in [Ca2+]cyt causes the net efflux of anions and K+ from the cell, leading to a fall in guard cell turgor.

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#Id: 10285

#Unit 6. System Physiology – Plant

The elevated calcium levels in the cytosol then activate CDPKs that phosphorylate and activate RBOH proteins which generate more ROS.

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#Id: 4576

#Unit 6. System Physiology – Plant

Function of light

a) Development

b) Photosynthesis

c) Stomata opening

d) Flowering

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#Id: 4577

#Unit 6. System Physiology – Plant

Light wavelengths detected by plant light receptors.

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#Id: 4578

#Unit 6. System Physiology – Plant

Phytochrome Can Interconvert between Pr and Pfr Forms

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#Id: 4579

#Unit 6. System Physiology – Plant

Effects of red light (650–680 nm) on morphogenesis could be reversed by a subsequent irradiation with light of longer wavelengths (710–740 nm), called far-red light. This phenomenon was first demonstrated in germinating seeds.