micronutrients (Zinc, copper and magnesium) that occur in small amounts and are involved in enzyme function and maintenance of protein structure. They are non fastidious organisms (meaning they don’t require special nutritional or environmental conditions for growth)
Carbon, Hydrogen, Oxygen, Phosphorus, Nitrogen, Sulfur, and Iron. All living things require these elements.
only required for fastidious organisms (organisms that require special nutritional or environmental conditions for growth)Example: nisseria gonorea- needs amino acids. 1. Amino Acids 2. Purines 3. Pyrimidines
Agar is a polysaccharide. It is heat stable meaning it can be heated up and it still works. Nutrients have to be placed in the agar.
-complex media- used in lab. We don’t know the exact chemical composition.
- inhibits growth of one bacteria over the other. For Example: MacKonkey is selective for gram negative and Mannitol Salt is selective for gram positive.
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