Which of the following statements about nutritional requirements and growth of bacteria is NOT true?

A) Culture media developed for bacteria must contain a carbon source and essential elements for the survival of the bacteria.
B) Auxotrophic mutants can grow on Moderate that lacks a carbon source because they can synthesize their own nutrients.
C) Each bacterium has specific nutritional needs and conditions for successful cultivation.
D) Prototrophic bacterial strains can grow on minimal media.
E) The growth rate of bacteria on specific media can be assessed by the number and size of bacterial colonies.