Microbial Genetics
The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is

DNA microarrays
northern blot
cloning library
southern blot

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Microbial Genetics
Why the bacterium Treponema pallidum is difficult to culture?

Because it requires a great deal of water to reproduce
Because it requires extremely low temperature at which water freezes
Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
Because it is unable to use carbohydrates as an energy source

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Microbial Genetics
Proteomics is

the study of formation of lipo-protein in animals
a branch of quantum physics dealing with proteins
the study of the entire collection of proteins expressed by an organism
the study of algal genomes

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