Upon secretion, Wnt proteins associate with glypicans (heparan sulfate proteoglycan) in the ECM, which restricts diffusion and leads to a greater accumulation of Wnt closer to the source of production.

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#Id: 4493

#Unit 13. Methods in Biology

The U wave is an inconstant finding that may be due to ventricular myocytes with long action potentials.

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#Id: 2525

#Unit 13. Methods in Biology

The PCR consists of three defined sets of times and temperatures, termed steps

denaturatio

Annealing 

extension

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#Id: 9751

#Unit 6. System Physiology – Plant

Elicitor Caeliferins secreted by grasshoppers act as elicitors of jasmonic acid accumulation and ethylene emission

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#Id: 1703

#Unit 4. Cell Communication and Cell Signaling

Neutrophils phagocytose (engulf) bacteria very effectively, and also secrete a range of proteins that have antimicrobial effects and tissue remodeling potential.

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#Id: 8168

#Unit 2. Cellular Organization

Rab GTPases 

associate with transport vesicles and act as key regulators of vesicle trafficking to and fusion with the appropriate target membrane.