MDCAT Biology MCQ #1710

A researcher uses radioactive uracil to track RNA synthesis. Which non-membrane bound region within the nucleus will show the highest initial radioactivity?

MDCAT Biology MCQ #1710

  1. Question 1

    Q1. A researcher uses radioactive uracil to track RNA synthesis. Which non-membrane bound region within the nucleus will show the highest initial radioactivity?

    • A) Nuclear matrix
    • B) Nucleolus
    • C) Nuclear pore complex
    • D) Chromatin

    Answer: Nucleolus

    Explanation: The nucleolus is the site of ribosomal RNA synthesis and ribosome assembly, often associated with specific chromosomal regions called NORs.