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

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#Id: 5285

#Unit 7. System Physiology – Animal

Increase in intracellular cAMP facilitates the opening of L channels, increasing ICa and the rapidity of the depolarization phase of the impulse.

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#Id: 9772

#Unit 6. System Physiology – Plant

Phytoalexins are low molecular weight, lipophilic antimicrobial compounds for which phenylalanine is a substrate used by phenylalanine ammonia lyase (PAL),

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#Id: 6433

#Unit 8. Inheritance Biology

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#Id: 3154

#Unit 7. System Physiology – Animal

Vital capacity = Inspiratory reserve volume + tidal volume + expiratory reserve volume

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#Id: 9669

#Unit 4. Cell Communication and Cell Signaling

PI-3 kinase was first identified in studies of the 

polyoma virus, a DNA virus