Question

when might a researcher more likely use filtration as a sterilization method? when she wishes to separate gram-positive from gram-negative bacteria. when she is working with heat-sensitive materials. when she is working in the food industry. when she is working with protozoa.

Answer 1

Filtration is commonly used as a sterilization method for heat-sensitive materials and in the food industry without altering the quality of the product.

Step-by-step explanation:

Filtration is commonly used as a sterilization method when working with heat-sensitive materials, such as antibiotic solutions and vitamin solutions in a laboratory setting. It is also used in the food industry to reduce microbial load without altering the quality of the product, as in the case of pasteurization. However, filtration is not typically used to specifically separate gram-positive from gram-negative bacteria or for sterilizing protozoa.