Multiple choice

Which among the following statements regarding the spliceosome is incorrect?

  1. Each spliceosome is composed of five small nuclear RNAs.

  2. The RNA component of the small nuclear ribonucleic protein or snRNP is rich in adenine.

  3. Introns typically have a GU nucleotide sequence at the 5' end splice site, and an AG at the 3' end splice site.

  4. A spliceosome is a large and complex molecular machine found primarily within the nucleus of eukaryotes.

  5. The spliceosome removes introns from a transcribed pre-mRNA.
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B Correct answer
Explanation

The RNA component of the small nuclear ribonucleic protein or snRNP is rich in uridine (the nucleoside analog of the uracil nucleotide).

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