Describe colonial characteristics of the organisms grown on the different culture media according to its reaction to pigmentation, lactose fermentation and hemolysis. В. Nutrient Agar Blood Agar MacConkey EMB Identify only if pigmented or non- pigmented • Identify if lactose Identify hemolytic reactions present • Identify if lactose fermenter or non- fermenter or non- Microorganisms Other characteristic lactose lactose fermenters • Other characteristics if if any fermenters any 1. Escherichia coli 2. Klebsiella pneumoniae 3. Proteus spp. 4. Pseudomonas aeruginosa Page 3 3 +

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Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.