Phytoplasmas are mainly spread by insects in the families Cicadellidae (leaf hoppers), Fulgoroidae (plant hoppers), and Psyllidae.

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#Id: 9770

#Unit 6. System Physiology – Plant

Extracellular basic hydroxyproline rich glycoproteins

(HRGPs) via the tyrosine in the repeated motif PPPPY that reacts with H2O2.

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#Id: 1723

#Unit 4. Cell Communication and Cell Signaling

CD23a is found on activated B cells, whereas CD23b is induced on various cell types by the cytokine IL-4.

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#Id: 2799

#Unit 13. Methods in Biology

Example of a van Deemter plot. The plot shows that the optimum flow rate for a given column is the net result of the influence of flow rate on longitudinal diffusion, equilibration time and multiple pathways.

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#Id: 5328

#Unit 7. System Physiology – Animal

Rapid Ventricular Filling

ventricular pressure falls to its lowest level (below atrial pressure), the AV valve opens.

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#Id: 10079

#Unit 4. Cell Communication and Cell Signaling

Integrins function as transmembrane linkers (integrators) between the extracellular matrix and the actin cytoskeleton.