BIOS 251 Chapter 7 - 2. Human body is a rich habitat for symbiotic b...

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BIOS 251 Chapter 7

• quorum sensing

–Answer Communicate and cooperate in the formation and function of biofilms

• Human body is a rich habitat for symbiotic bacteria, fungi, and a few proto- zoa

–Answer normal microbial flora

• What makes antibiotics more resistant

–Answer Over exposure Over prescribing Not finishing prescription

• Pathogen

–Answer Any microbe that can cause disease

• Opportunistic pathogen

–Answer When healthy microbes lose competition

• Mutualism

–Answer -symbiotic

• both members benefit
• Commensialism

–Answer -symbiotic -it benefits without harming the host

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