Plant cells rely extensively on augmin-dependent microtubule branching nucleation to organize the microtubule cytoskeleton because they lack centrosomes.

TLS Online TPP Program

#Id: 5192

#Unit 7. System Physiology – Animal

The complex of IXa and VIIIa activate factor X. 

TLS Online TPP Program

#Id: 5193

#Unit 7. System Physiology – Animal

Phospholipids from aggregated platelets and Ca2+ are necessary for full activation of factor X.

TLS Online TPP Program

#Id: 5194

#Unit 7. System Physiology – Animal

Factor X can be activated by either of two systems: Intrinsic system Extrinsic system

TLS Online TPP Program

#Id: 5195

#Unit 7. System Physiology – Animal

The extrinsic system is triggered by the release of tissue thromboplastin, a protein–phospholipid mixture that activates factor VII.

TLS Online TPP Program

#Id: 5196

#Unit 7. System Physiology – Animal

Tissue thromboplastin and factor VII activate factors IX and X.

TLS Online TPP Program

#Id: 5197

#Unit 7. System Physiology – Animal

In the presence of PL, Ca2+ , & factor V, activated factor X catalyzes the conversion of prothrombin to thrombin.