Threonine residue T490 on RAG2 is phosphorylated during the S, G2, and M phases of the cell cycle, and this phosphorylation triggers the destruction of RAG2. 

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#Id: 4968

#Unit 6. System Physiology – Plant

Very Low Fluence (VLF) Responses

It sensitive to low levels of light (0.1 nmol m -2 . Less than 0.02% is Pfr). These are not photo-reversible and saturate at 50 nmol m -2 . Some examples include;

a) mesocotyl elongation in cereals; and 

b) Arabidopsis seed germination

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#Id: 1329

#Unit 4. Cell Communication and Cell Signaling

Phospholipase C is activated by G proteins containing either Gαo or Gαq.

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#Id: 8524

#Unit 2. Cellular Organization

Detyrosylation 

tyrosine can be removed by a carboxypeptidase, where it sequentially removes the C-terminal tyrosines from α-tubulin subunits. 

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#Id: 4785

#Unit 5. Developmental Biology

The P2 cell produces juxtacrine protein APX-1(a Delta homologue)

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#Id: 7995

#Unit 10. Ecological Principles

The habitat of an organism is the place, or physical setting, in which it lives.