Which, If Any, of the Following Statements Is False

Which, if any, of the following statements is false?

A) A ribosome is a large ribonucleoprotein that contains multiple different types of RNA but just one type of protein.
B) During translation, a ribosome binds to the 5' end of a mRNA, slides along it until the initiator AUG codon is identified, and continues until reaching an in-frame termination codon.
C) The single type of ribosomal protein is a crucially important peptidyltransferase.
D) The peptidyltransferase catalyzes the condensation reaction that allows joining of amino acids using peptide bonds.