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​Which part of the Central DOgma do some viruses violate? ​a. DNA is the template for...

​Which part of the Central DOgma do some viruses violate? ​a. DNA is the template for RNA     b. RNA is the template for proteins c. protein is the template for proteins d. proteins make DNA

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Ans. Correct option: A. DNA is the template of RNA.

Central dogma: “DNA--------------> RNA -------------> Protein”; where, DNA serves as template for RNA; and RNA later serves as the template for protein synthesis.

Some viruses violate the first step “DNA--------------> RNA”. They use RNA as template for the synthesis of DNA through reverse transcriptase activity. These viruses are thus also called retroviruses because of their ability to carry out reverse transcription.

Option: b. RNA is template for protein. The statement is true, is a part of central dogma but viruses do NOT violate it.

Option c and d. Statements are Incorrect, and not a part of central dogma, too.     

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