There are three types of GPA that medical schools calculate, and you need to know about each: 1  Overall GPA â The raw GPA calculation of all of your undergraduate coursework combined. 2  BCPM â âScience GPA.â Your GPA for all of your science coursework. 3  AO GPA â âAll Otherâ GPA.
Complex media are preferable for routine cultivation of microorganisms than chemically defined media because it provides highly enriched sources such as plant or animal extrac â¦ ts, vitamins, minerals, protein, sugar, and or blood to the organism, supplying them specific nutritional substances needed for their growth.
Complex media are those produced through the addition of nutients from the digestion of beef, soybeans, milk or blood. These can be a combination of both defined and undefined types, such as McConkey's agar and Columbia CNA agar. Selective media inhibit one group of bacteria while allowing others to grow.