Respuesta :
Answer:
Leaving bread for 3 minutes in the air or wiping it across the table before conducting a mold investigation is a common practice to introduce fungal spores onto the bread surface. Fungal spores are ubiquitous in the environment, and by exposing the bread to the air or wiping it across a surface, you increase the likelihood of fungal spores landing on the bread. This helps ensure that any mold growth observed on the bread during the investigation is a result of the bread's exposure to the environment and not due to pre-existing contamination or other factors. It standardizes the starting conditions for the investigation and improves the accuracy of the results.
Explanation:
Leaving bread for 3 minutes in the air or wiping it across a table before conducting a mold investigation serves to introduce fungal spores onto the bread's surface. Fungal spores are microscopic reproductive units of fungi that are present in the environment, including the air and surfaces. By exposing the bread to the air or wiping it across a surface, you increase the likelihood of fungal spores landing on the bread.
This step is essential because it ensures that any mold growth observed on the bread during the investigation is a result of the bread's exposure to the environment. It helps to rule out the possibility of pre-existing contamination on the bread or other factors influencing mold growth. By standardizing the starting conditions and introducing environmental fungal spores, researchers can obtain more accurate and reliable results in their mold investigations.
