There are two bacteria, and I have to find out the organism. I did gram staining, and I found out that they are GPC and GNB. then, I used CNA agar medium to isolate gram-positive bacteria. I will do catalase test and styph latex test to find out the organism of gram positive bacteria. my question is I need to find out gram-negative bacteria as well. I also used SBA agar medium to find out hemolysis. can I use the colony from SBA and do Oxidase test? will it be able to find out what gram negative bacteria is?

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Nutrient Growth Medium

It is a culture medium or nutrient broth for all kinds of microorganisms to grow properly and create their colony. This matrix provides support to increase the population of microbes through the method of cell proliferation. It is regarded as the food material for those organisms. It is a type of in vitro mechanism, in which the development of life is processed outside the host body. It can be solid, semi-solid, or liquid in nature. Different kinds of cells develop in different types of media.