TREG cells were most recently characterized as a unique subset of CD4+ T cells that express high levels of the IL-2R  chain (CD25), the low-affinity receptor for this cytokine.

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#Id: 10417

#Unit 4. Cell Communication and Cell Signaling

Metastasis

Spread of cancer cells from their site of origin and establishment of areas of secondary growth

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#Id: 3960

#Unit 7. System Physiology – Animal

Contractile cells constitute the majority of atrial & ventricular tissues.

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#Id: 9710

#Unit 4. Cell Communication and Cell Signaling

Cdc24 = SOS

Cdc42 = Ras

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#Unit 10. Ecological Principles

Primary productivity The rate at which solar or chemical energy is captured and converted into chemical bonds by photosynthesis or chemosynthesis.

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#Unit 3. Fundamental Processes

The two chromophores in E. coli photolyase (Mr 54,000), N5 N10-methenyltetrahydrofolylpolyglutamate (MTHF polyGlu) and FADH , perform complementary functions.