A variation on the run-off theme of quantifying accurate transcription in vitro is the G-less cassette assay.

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#Id: 106

#Unit 5. Developmental Biology

Syncytial specification occurs when cell fates are determined in a syncytium of nuclei, as in the

Drosophila blastoderm

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#Id: 2558

#Unit 13. Methods in Biology

This protein, from the bioluminescent jellyfish  Aequorea victoria, fluoresces with a peak wavelength of 508 nm (green light) when irradiated by ultraviolet or blue light (optimally 400 nm).

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#Id: 2820

#Unit 13. Methods in Biology

Ion-exchange chromatography is frequently chosen for the separation and purification of proteins, peptides, nucleic acids, polynucleotides and other charged molecules, mainly because of its high resolving power and high capacity.

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#Id: 7085

#Unit 3. Fundamental Processes

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#Id: 1669

#Unit 4. Cell Communication and Cell Signaling

Live attenuated- Measles, Polio (Sabin vaccine), Mumps, Rubella,  Tuberculosis,  and Rotavirus