What is the primary purpose of an incubator in a biotechnology laboratory?

• A. To maintain samples at a suitable temperature for development
• B. To measure temperature of samples
• C. To sterilize liquids
• D. To store glassware

Answer: (A)

Maintaining a stable, appropriate environment for growth is essential in growth of biological cultures. An incubator provides a controlled interior where temperature is kept constant at levels that support microbial or cell growth, often along with humidity control and, for certain cell types, regulated CO2. This steady climate minimizes stress on the samples and allows reproducible development, which is why it’s the primary tool for cultivating cultures. Measuring temperature is done with a thermometer, sterilizing liquids uses high heat and pressure in an autoclave, and storing glassware is simply keeping items in a storage area or under refrigeration.