Multiple choice

A spliceosome is a large and complex molecular machine found primarily within the splicing speckles of the cell nucleus of eukaryotic cells. Which one of the following types of RNA is included in the splicosome?

  1. snRNA

  2. miRNA

  3. tRNA

  4. siRNA

  5. rRNA

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A Correct answer
Explanation

The spliceosome is assembled from snRNAs and protein complexes. The spliceosome removes introns from a transcribed pre-mRNA, a kind of primary transcript. snRNA (small nuclear RNA) is a component of the splicosome.