狠狠撸

classification structure morphology bacteria gram negative neiserria gonorrhoeae education graphs like structured bacteria gram positive diagnosis and treatments of staphylococcal infec growth and biochemical characterization colony characteristics staphylococcal species treatment infections diagnosis and treatment of streptococcus species diseases and infection caused by streptococcus spe streptococcus microbial pathogensis machanism molecular hosting pathogensis types of parsites types of host chain of infections interaction parasitism parasites host growth media biochemical reaction growth characteristics shape diplococci cocci