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.
Selective Media . Complex or defined media will also be cl assified as âselectiveâ if they support the. growth of only certain types of bacteria. Media can be made selective through the addition of. substances that enhance or inhibit the growth of particular types of bacteria.