When stimulated natural radiation was used to vary the far-red content, it was found that for so-called sun plants, the higher the far-red content (i.e., the lower the Pfr:Ptotal ratio), the higher the rate of stem extension.

TLS Online TPP Program

#Id: 9707

#Unit 4. Cell Communication and Cell Signaling

Ligand binding and dissociation of the G protein subunits, the membrane-tethered Gβγ subunit binds the Ste5.

TLS Online TPP Program

#Id: 993

#Unit 5. Developmental Biology

An anterior-to-posterior gradient of Hunchback protein.

TLS Online TPP Program

#Id: 1731

#Unit 4. Cell Communication and Cell Signaling

FcεRI signalling through Lyn and Syk kinases also activates E3 ubiquitin ligases, including c-Cbl. Cbl ubiquitinylates Lyn and Syk, as well as FcεRI itself, triggering their degradation.

TLS Online TPP Program

#Id: 6596

#Unit 7. System Physiology – Animal

Inhibin B, a factor of testicular origin that inhibits FSH secretion

TLS Online TPP Program

#Id: 1707

#Unit 4. Cell Communication and Cell Signaling

Mast cells are released from the bone marrow into the blood as undifferentiated cells; they mature only after they leave the blood.