Toll protein surprisingly revealed that its cytoplasmic signaling domain was homologous to that of the vertebrate receptor for the cytokine IL-1 (IL-1R).

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#Id: 1819

#Unit 10. Ecological Principles

r and λ relation 

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#Id: 7423

#Unit 5. Developmental Biology

Dictyostelia (social amoebas) solitary haploid amoebae live on decaying logs, eating bacteria and reproducing by binary fission.

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#Id: 2561

#Unit 13. Methods in Biology

An excited fluorescent molecule such as GFP or YFP can dispose of the energy from the absorbed photon in either of two ways: 

by fluorescence, emitting a photon of slightly longer wavelength (lower energy) than the exciting light, or 

by nonradiative fluorescence resonance energy transfer (FRET).

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#Unit 2. Cellular Organization

Laminopathies 

Mutation in lamin A

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#Id: 911

#Unit 13. Methods in Biology

The more metabolically active cells that are present in the culture, the more formazan will be generated, and so this assay provides a readout of the number of live cells as a function of time.