The major use of incline solid culture medium is A: to observe bacilus'ability of movement B: observe bachus'ability of coaglutinaton C: to observe the shape of colony D: to culture single bacilli E: to restrain the growth of mixed bacilli

In acute uncomplicated UTI acquired in the community, what is by far<br/>the commonest causative bacterium? () A: coli B: Anaerobic bacteria C: Viruses D: Tubercule bacilli E: Staphylococci