GENETICS AND EVOLUTION
MOLECULAR BASIS OF INHERITANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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5 S rRNA, tRNA & SnRNA
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mRNA, HnRNA & SnRNA
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28 S rRNA, 18 S rRNA & 5 S rRNA
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All types of rRNA & tRNA
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Detailed explanation-1: -In eukaryote cells, RNA polymerase III transcribes DNA to synthesize ribosomal 5S rRNA, tRNA and other small RNAs. This enzyme complex has a more limited role than polymerase III in prokaryote cells.
Detailed explanation-2: -In eukaryotic cells, RNA polymerase III (also called Pol III) transcribes DNA to synthesize ribosomal 5S rRNA, tRNA and other small RNAs.
Detailed explanation-3: -RNA polymerase III transcribes the genes for tRNAs and for the smallest species of ribosomal RNA (5S rRNA).
Detailed explanation-4: -In prokaryotic cells, polymerase III is the major replicative polymerase, functioning in the synthesis both of the leading strand of DNA and of Okazaki fragments by the extension of RNA primers. Polymerase I then removes RNA primers and fills the gaps between Okazaki fragments.
Detailed explanation-5: -RNA polymerase III (Pol III) synthesizes tRNAs, the 5S rRNA, and some other small specialized RNAs.