Eukaryotic messenger RNA can undergo post synthetic processing after transcripti

Question

Eukaryotic messenger RNA can undergo post synthetic processing after transcription and before translation. One of the processing steps is splicing, where portions of the RNA are removed and the remaining RNA joined together. Sort the following statements regarding mRNA splicing as true or false. True statements False statements The spliceosome consists ofProteins in the splicesome recognize the 5' and 3' splice site sequences five small RNA molecules and many associated proteins. One mRNA can sometimes code for more than one protein by splicing at alternative sites. Splicing occurs while the mRNA is still in the nucleus Splicing occurs while the mRNA is attached to the nucleosome.

Explanation / Answer

True statements -

the splicosome consists of 5 protein.

One mRNA can code for more than one protein by alternative splicing

Splicing Occurs in Nucleus

Proteins in splicosome recognize 5' and 3' splice sites

False:

Splicing occurs while mRNA is still attached to nucleosome.

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