The reason why accepted scientific ideas are reliable is because they "are based on a body of facts and repeated with experimentation." Look at it this way facts are true statements and if a accepted scientific idea is made up of facts it would mean it's reliable. Scientist also proven the idea by observation, and repeated experiments with the same results which would be a good reason why a accepted scientific idea is reliable when writing a research paper or any other type of writing.
B. Gene expression is in them is similar to us but facilitates the use of bacteria in recombiant biotechnology and gene therapy. We human have eukaryotic cells which have a devoloped nucleas whereas small bacteria have prokaryotic cells with no definite nucleus using more biotechnology. Other all are not true.
