Ribosomal RNA constitutes ___ % of the total cellular RNA.April 7, 2020 Marwa KhanIn Biology McqsLeave a Comment on Ribosomal RNA constitutes ___ % of the total cellular RNA. A. 3-4 % B. 10-20 % C. 80 % D. 90 % Answer Correct Answer: C. 80 % Posts Tagged with… Ribosomal RNA