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TLS Online TPP Program

#Id: 9734

To store, toxic secondary metabolites is to conjugate them with a sugar, which also makes them more water soluble

#Unit 6. System Physiology – Plant #Plant Défense against Pathogen #Part B Pointers
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TLS Online TPP Program

#Id: 5180

#Unit 7. System Physiology – Animal

Serum has a higher serotonin content because of the breakdown of platelets during clotting.
TLS Online TPP Program

#Id: 5181

#Unit 7. System Physiology – Animal

Hemostasis is the process of forming clots in the walls of damaged blood vessels and preventing blood loss while maintaining blood in a fluid state within the vascular system.
TLS Online TPP Program

#Id: 5182

#Unit 7. System Physiology – Animal

During formation of a clot the initial event is constriction of the vessel and formation of a temporary hemostatic plug of platelets.
TLS Online TPP Program

#Id: 5183

#Unit 7. System Physiology – Animal

The vasoconstriction is due to serotonin, histamines & other vasoconstrictors liberated from platelets that adhere to the walls of the damaged vessels.
TLS Online TPP Program

#Id: 5184

#Unit 7. System Physiology – Animal

The loose aggregation of platelets in the temporary plug is bound together and converted into the definitive clot by fibrin.
TLS Online TPP Program

#Id: 5185

#Unit 7. System Physiology – Animal

Fibrin formation involves a cascade of enzymatic reactions and a series of numbered clotting factors.