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

cloning library
northern blot
DNA microarrays
southern blot

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Microbial Genetics
Proteomics is

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

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Microbial Genetics
Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite Rickettsia prowazekii ?

Parasitic bacteria have very large genomes
Parasites have a definite genomic sequence similar to viruses
All bacteria evolved from viruses
Mitochondria have evolved from endosymbiotic bacteria

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Microbial Genetics
Why Deinococcus radiodurans is able to survive massive exposure to radiation?

Because it produces a thick shell which acts as a shield from the radiation
Because it has many copies of genes encoding DNA repair
Because its cellwall contains radioactive elements
Because it has unique DNA repair mechanisms

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