Positive selection in pray population leads to an “arm’s race” with predator (Host-pathogen same).

TLS Online TPP Program

#Id: 5199

#Unit 7. System Physiology – Animal

The conversion of fibrinogen to fibrin is catalyzed by thrombin.

TLS Online TPP Program

#Id: 5209

#Unit 7. System Physiology – Animal

All endothelial cells except those in the cerebral microcirculation produce thrombomodulin,  a thrombin-binding protein, on their surfaces.

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#Id: 6244

#Unit 8. Inheritance Biology

Genomic imprinting does not follow mendelian law.

 

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#Id: 5438

#Unit 7. System Physiology – Animal

Voltage-gated sodium channel has two gates:

activation gate near the outside of the channel 

Inactivation gate near 

the inside of the channel 

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#Id: 3331

#Unit 3. Fundamental Processes

TFIIH is responsible for two separate functions: 

Its strand-separating helicases melt the DNA around a lesion during nucleotide excision repair (including transcription-coupled repair) and also help to open the DNA template during the process of gene transcription.