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Q. Which of the following statements is correct?
a. rRNA is the most abundant RNA.
b. Ribosomes are composed of approximately 80% rRNA and 20% ribosomal proteins.
c. rRNA is a type of coding RNA.

NTA AbhyasNTA Abhyas 2022

Solution:

rRNA is most abundant in the cell. It constitutes 80% of the total RNA of the cell. Ribosomes are composed of approximately 60% rRNA and 40% ribosomal proteins. rRNA is a type of non-coding RNA.