What family of proteins plays an essential role in the repression of genes that help to direct the formation of specific tissues and organs in a developing embryo?

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#Question id: 23146

#13. Methods in Biology

A phenomenon of absorption of light at a certain wavelength and then emission at longer wavelength is known as

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#Question id: 23147

#13. Methods in Biology

In fluorescence microscopy why the fluorescence occurs at longer wavelength when there shorter   wavelength of light is applied?

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#Question id: 23149

#13. Methods in Biology

In fluorescence microscopy a usually used fluorochrome that is fura-2 is sensitive to which ions?

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#Question id: 23150

#13. Methods in Biology

How fura-2 dye moves inside the cell through plasma membrane?

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#Question id: 23153

#13. Methods in Biology

SNARF-1is a fluorescent dye used to measure which ion concentration?

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#Question id: 23154

#13. Methods in Biology

When the organelles pH is acidic the how the SNARF-1 dye measures this acidity?