Immunofluorescence microscopy is commonplace technique that is used for microbiological samples. The immunofluorescence microscopy use light microscopy with fluorescent microscopy.
It is used to cultured cell lines, tissue sections and individual cells it is used to analyze the small and nonbiological molecules and to the glycans and proteins and other macromolecules.
Thus, the correct answer is option A. Can be used to map the location of specific molecules in cells.
There are some examples where human hormone genes are excised and placed into bacterial DNA. An example of this is Human Growth Hormone, which is mass-produced for human use by bacteria.
