Colorado Cosmetology Written Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 425

Colonies of bacteria that adhere together and to environmental surfaces are called:

Biofilms

Biofilms are bacterial communities that stick together and attach to surfaces, often forming a protective layer. This allows them to persist in harsh environments and may contribute to antibiotic resistance. Granulomas, microcysts, and plasmids are not used to describe this type of bacterial growth. Granulomas are a type of immune cell formation, microcysts are small sacs that develop from bacterial cells, and plasmids are small pieces of DNA that can be transferred between bacteria. These terms do not accurately describe the cohesive bacterial colonies seen in biofilms.

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Granulomas

Microcysts

Plasmids

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