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#Id: 1152

#Unit 7. System Physiology – Animal

Endothelium & epithelial cells, effectively prevents filtration of plasma proteins, because of strong negative electrical charges (associated with the proteoglycans).

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#Id: 8151

#Unit 2. Cellular Organization

Sec12

acts as a GEF factor for Sar1

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#Id: 9606

#Unit 4. Cell Communication and Cell Signaling

Cytosolic kinase domain of an RTK contains a flexible domain termed activation loop. 

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#Id: 1670

#Unit 4. Cell Communication and Cell Signaling

Inactivated or “Killed” Vaccines This kills the pathogen, making it incapable of replication

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#Id: 3055

#Unit 10. Ecological Principles

The number of species should increase with increasing island size. This is also known as the species-area hypothesis.