Biochemistry General a021a20d Ribonuclease-P is a ? A Ligase B Ribonuclease C Ribozyme D Ribosome High-Yield Explanation Ans. is 'c' i.e., Ribozyme There are five classes of ribozymes :Ribonuclease PHammerheadTetrahymena group I intron HDV ribozymeHairpin ribozyme