Cells commit to a new cell division at a specific point in G1 known as START or the restriction point.

TLS Online TPP Program

#Id: 1325

#Unit 4. Cell Communication and Cell Signaling

Activated PKA enhances the conversion of glycogen to glucose-1-phosphate.

TLS Online TPP Program

#Id: 1326

#Unit 4. Cell Communication and Cell Signaling

GS, GPK, and GP are counteracted by a phosphatase called phosphoprotein phosphatase.

TLS Online TPP Program

#Id: 1327

#Unit 4. Cell Communication and Cell Signaling

Suppressor of cAMP/PKA signalling Pathway- cAMP PDE (hydrolyze cAMP to 5′-AMP)

TLS Online TPP Program

#Id: 1328

#Unit 4. Cell Communication and Cell Signaling

β-adrenergic receptors are deactivated by, β-adrenergic receptor kinase (BARK)

TLS Online TPP Program

#Id: 1329

#Unit 4. Cell Communication and Cell Signaling

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

TLS Online TPP Program

#Id: 1330

#Unit 4. Cell Communication and Cell Signaling

Phospholipase C cleaves PI(4,5)P2, generating two second messengers:  IP3 and DAG