There are three types of RNA polymerases in eukaryotic cells.RNA polymerase I transcribes ______, RNA polymerase II transcribes _______, and RNA polymerase III mainly transcribes _________.

MCQs on the biological and chemical processes necessary to sustain life. Topics include: the structure and synthesis of amino acids and proteins, enzymatic activity, regulation and production of enzymes, the structure and function of carbohydrates, nucleic acids, and lipids, DNA, RNA, cellular metabolism, the biochemistry of genes and chromosomes, biochemical signaling, and laboratory techniques.