Which One of the Following Is Wrong? RNA Splicing

question 62

Multiple Choice

Which one of the following is wrong? RNA splicing.

• A) is responsible for the joining of V, D, and J segments in formation of a heavy chain immunoglobulin protein.
• B) is sometimes an autocatalytic reaction which can occur without added proteins.
• C) is often mediated by particles called spliceosomes containing both RNAs and proteins.
• D) occurs in the nucleus to form a complete, translatable mRNA with a single open reading frame.
• E) often results in the excision of the intron as a structure known as a lariat.

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