MDCAT Biology MCQ #663

An analysis of total cellular RNA is performed. Which percentage range represents the messenger RNA (mRNA) fraction in the cell?

MDCAT Biology MCQ #663

  1. Question 1

    Q1. An analysis of total cellular RNA is performed. Which percentage range represents the messenger RNA (mRNA) fraction in the cell?

    • A) 80%
    • B) 10-20%
    • C) 3-4%
    • D) 50%

    Answer: 3-4%

    Explanation: mRNA constitutes only 3-4% of total cellular RNA. rRNA is the most abundant, making up about 80%.