MICROBIAL GROWTH EVCC QUESTIONS 2025

MICROBIAL GROWTH EVCC QUESTIONS 2025 How do you define microbial growth? - What is a colony and where does it come from? - What conditions affect microbial growth? - What are the categories of organisms based on? · Temperature preference · Oxygen requirements · Acid/base tolerance · Salt tolerance · Carbon and energy sources - How are organisms affected by conditions outside of their normal range? - What -at the molecular / cell level - restricts growth of microbes to specific environments? - How do organisms become evolutionarily adapted to heat, cold, acidic, alkaline or saline environments (how do they differ from groups that live elsewhere) - What groups contain oxygen detox enzymes and why - How does the cell wall protect bacteria from nonoptimal environments and when is the cell wall not able to offer protection? - Application: Which groups contain pathogens or food spoilage organisms and why? - Application: What methods are useful to prevent disease or preserve food and why? - Application: What methods are useful to prevent disease or preserve food and why? - What are the different forms of media and what is each used for: · Petri dish · Broth tube · Slant · Deep - How do you classify complex vs chemically defined media, and what is each used for