Why would gene therapy fail to cure illnesses caused by bacteria? Gene therapy reduces symptoms but never cures illnesses.
Gene therapy does not work on most people.
Gene therapy only focuses on replacing mutated genes.
Gene therapy is too long a process

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.