A researcher discovers a virus that prevents mRNA from leaving the nucleus. Which specific structural component of the nucleus is the virus most likely blocking?
Q1. A researcher discovers a virus that prevents mRNA from leaving the nucleus. Which specific structural component of the nucleus is the virus most likely blocking?
Answer: Nuclear pores
Explanation: Nuclear pores regulate the transport of mRNA to the cytoplasm. The nuclear envelope is tempting but it is the entire double membrane, not the specific channel.