Which method would me most efficient to identify where a specific gene is being expressed within the cell?
a. immunofluorescence
b. immunoprecipitation
c. microarray
d. photolithography
e. frap

b. Immnofluorescence

Explanation:

Immunofluorescence involves the reaction of a fluorescently labelled antibody to an expressed gene or protein making it specific. A microscope is used to locate the expressed gene via the fluorescent dye activated by light of a certain wavelength. It is usually done to analyze intact cells or tissue therefore it is easier to localize the gene expression.

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