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Question
Which of the following is called as a good chronometer of three domain of life?
Which of the following is called as a good chronometer of three domain of life?
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Solution
The correct option is C Sequence of rRNA
The three domain of life was given by the Carl Wose in 1977. He classified the cellular organism in three domain i.e., Archaea, Eukarya and Bacteria on the basis of the structure of rRNA i.e., 16S rRNA because rRNA is the first requirement for protein synthesis in any organism. An rRNA is found in all the living organisms and changes very slowly. Hence, rRNA could be said as good molecular chronometer of three life domains.Thus, the correct answer is option C.
The three domain of life was given by the Carl Wose in 1977. He classified the cellular organism in three domain i.e., Archaea, Eukarya and Bacteria on the basis of the structure of rRNA i.e., 16S rRNA because rRNA is the first requirement for protein synthesis in any organism. An rRNA is found in all the living organisms and changes very slowly. Hence, rRNA could be said as good molecular chronometer of three life domains.
Thus, the correct answer is option C.
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