Question

Which type of RNA transports genetic information from the DNA in the nucleus to the ribosomes in the cytoplasm, where it directs protein synthesis?

• A. rRNA
• B. snRNA
• C. IRNA
• D. mRNA

Answer 1

Answer:

D. mRNA

Messenger RNA (mRNA) transports genetic information from the DNA in the nucleus to the ribosomes in the cytoplasm, where it directs protein synthesis. The role of mRNA is to carry protein information from the DNA in a cell's nucleus to the cell's cytoplasm (watery interior), where the protein-making machinery reads the mRNA sequence and translates each three-base codon into its corresponding amino acid in a growing protein chain.