Indicate true (T) and false (F) statements below regarding the RNA world hypothesis. Your answer would be a four-letter string composed of letters T and F only, e.g. TFFF. ( ) According to this hypothesis, RNA in primitive cells was responsible for storing genetic information, while proteins were responsible for the catalysis of chemical reactions. ( ) The existence of natural ribozymes supports this hypothesis. ( ) In support of this hypothesis, all peptides in present-day cells are made by the ribosome. ( ) All present-day cells use DNA as their hereditary material.