Final answer:
The five types of laboratory disinfectants are quaternary ammonium compounds, bleach, alcohol, hydrogen peroxide, and household cleaners.
Step-by-step explanation:
There are several types of laboratory disinfectants that are commonly used. These include:
- Quaternary ammonium compounds: These disinfectants work by disrupting the integrity of bacterial cell membranes, leading to cell death.
- Bleach: Bleach is a powerful disinfectant that works by oxidizing and destroying proteins and enzymes in microbial cells.
- Alcohol: Alcohols, such as ethanol and isopropanol, denature proteins and disrupt cell membranes, making them effective against a wide range of microorganisms.
- Hydrogen peroxide: Hydrogen peroxide is an oxidizing agent that kills microorganisms by damaging their DNA and other cellular components.
- Household cleaners: Certain household cleaners, such as those containing chlorine, can also be used as disinfectants.