In the absence of light,  bound 11-cis-retinal locks the rhodopsin into its inactive (R) conformation

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#Id: 3804

#Unit 5. Developmental Biology

Early on during aggregation, gene expression requires the activity of cAMP-dependent protein kinase.

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#Id: 9664

#Unit 4. Cell Communication and Cell Signaling

Activated RTKs and cytokine receptors initiate another phosphoinositide pathway by recruiting PI-3 kinase to the cytosolic surface of the plasma membrane.

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#Id: 8091

#Unit 1. Molecules and their Interaction Relevant to Biology

Plasmalogens are ether glycerophospholipids in which the alkyl moiety is cis-a, b-unsaturated

      

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#Id: 5087

#Unit 6. System Physiology – Plant

One of the most extensively characterized of these factors is PIF3, a basic helix-loophelix (bHLH) transcription factor that interacts with both phyA and phyB.

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#Id: 3878

#Unit 5. Developmental Biology

Prestalk cells act as altruists which die for dispersion of kin cells.