Final answer:
Heat, refrigeration, and high-pressure processing are effective treatments for controlling microbial growth.
Step-by-step explanation:
Heat is a widely used and highly effective method for controlling microbial growth. Dry-heat sterilization protocols are used commonly in aseptic techniques in the laboratory. However, moist-heat sterilization is typically the more effective protocol because it penetrates cells better than dry heat does. Refrigeration slows microbial growth; freezing stops growth, killing some organisms. High-pressure processing can also be used to kill microbes in food.