Which of these statements is false?

Step-by-step solution

The Mycoplasma are organisms that completely lack a cell wall. They are the smallest living cells known and can survive without oxygen. Many mycoplasma are pathogenic in animals and plants. Viroids are smaller than viruses and cause potato spindle tuber disease. It was found to be a free RNA; it lacked the protein coat that is found in viruses, hence the name viroid. The RNA of the viroid was of low molecular weight. In modern medicine certain infectious neurological diseases were found to be transmitted by an agen