The key difference between chemically defined and complex media is that the chemical defined media contain an exactly known chemical composition while complex media contain an unknown chemical composition. Chemically defined media and complex media are two main types of these.Click to see full answer. Also question is, what is the difference between chemically defined and complex media?A chemically-defined (synthetic) medium (Table 4a and 4b) is one in which the exact chemical composition is known. A complex (undefined) medium (Table 5a and 5b) is one in which the exact chemical constitution of the medium is not known. what is chemically defined and undefined media? Two major sub types of media are complex and synthetic medias, known as undefined and defined media. A defined medium (also known as chemically defined medium or synthetic medium) is a medium in which all the chemicals used are known, no yeast, animal, or plant tissue is present. In this way, is MacConkey Agar complex or chemically defined? SELECTIVE MEDIA: Complex or defined media may also be classified as selective (or enrichment) media, which support the growth of only certain types of bacteria. For example, the medium called MacConkey Agar is selective for gram-negative bacteria and will indicate whether bacteria can ferment lactose.Is nutrient agar a chemically defined media?Chemically defined media is composed of exact amounts of chemically pure, specifically identified organic or inorganic components. Examples include glucose salt broth or inorganic synthetic broth. Examples include Nutrient Broth/Agar, Tryptic Soy Broth/Agar, and Blood agar.
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