Serratia marscecens produces a red pigment at 2 5 C but not at 3 5 C . This is an example of a: - A. frameshift change - B. phenotypic change - C. genotypic change - D. silent mutation Question 46 of 1001 Points Which of the following pathogens would NOT contain nuclei in their cells? - A. Trichinella spiralis - B. Balantidium - C. Candida albicans - D. Staphylococcus aureus.