Annexin V

a 36-kDa calcium-binding protein, binds to PS; used to detect PS that is exposed on the outside of apoptotic cells

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#Unit 7. System Physiology – Animal

The insulin receptor is a combination of four subunits held together by disulfide linkages: 

Two alpha subunits 

Two beta subunits

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#Unit 4. Cell Communication and Cell Signaling

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

TLS Online TPP Program

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#Unit 4. Cell Communication and Cell Signaling

Ptc contains 12 TM α helices and structurally similar

to the Niemann-Pick C1 protein, a cholesterol transporting member of the ABC superfamily

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#Unit 2. Cellular Organization

Threonine -160 phosphorylation is mediated by 

CDK-activating kinase (CAK)

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#Unit 8. Inheritance Biology

Lederberg and Tatum’s experiment demonstrated that bacteria undergo genetic exchange.