(a) mRNA, tRNA, rRNA synthesise proteins(b) In some viruses, RNA is genetic material(c) Some RNAs have enzymatic property(d) RNA is not found in all cells[CBSE AIPMT 2001]
Correct Option (c) Reason : Ribozymes are catalytically active RNA molecules discovered in 1980's.
These are self-splicing introns indicating their possible role as intermediates in the evolution of biological systems from abiotic substances.