Microbial Genetics
The flow of genetic material in microbial cells usually takes place from

DNA through RNA to proteins
RNA through DNA to proteins
proteins through RNA to DNA
none of these

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

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

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