Which modification is added to the 5′ end of a nascent eukaryotic pre-mRNA during RNA processing to prevent enzymatic degradation and assist in ribosome binding?

A) A chain of adenine nucleotides forming a poly-A tail

B) A non-coding regulatory hairpin element called an attenuator

C) A small nuclear ribonucleoprotein complex that splices exons

D) A modified guanine nucleotide forming a 7-methylguanosine cap

RNA processing Knowledge-Based Practice

Biology · Molecular Genetics · Biology · Gene Expression

1 Biology practice questions on RNA processing. Questions that assess core concepts and understanding.

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