Distinguish between complex, defined media and enriched media. List and describe three of the four types of flagella. List and explain the steps of gram stain Explain the composition of a virus particle. List the steps of viral replication and tell what occurs in each step. List and describe the phases of batch culture List four of the six factors that influence microbial growth. List and describe the three types of granulocytes. List and describe the three types of Lymphocytes. List and describe three of the four classifications of immunity.