1 / 6

KEY CONCEPT Understanding bacteria is necessary to prevent and treat disease.

KEY CONCEPT Understanding bacteria is necessary to prevent and treat disease. Some bacteria cause disease. Bacteria cause disease by invading tissues or making toxins. A toxin is a poison released by an organism. may colonize new tissues. Normally harmless bacteria can become destructive.

zelig
Download Presentation

KEY CONCEPT Understanding bacteria is necessary to prevent and treat disease.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. KEY CONCEPT Understanding bacteria is necessary to prevent and treat disease.

  2. Some bacteria cause disease. • Bacteria cause disease by invading tissues or making toxins. • A toxin is a poison released by an organism.

  3. may colonize new tissues • Normally harmless bacteria can become destructive.

  4. Normally harmless bacteria can become destructive. • immune system may be lowered

  5. Antibiotics are used to fight bacterial disease. • Antibiotics may stop bacterial cell wall formation. • Antibiotics do not work on viruses. • Prevention is best method to fight bacterial disease.

  6. A bacterium carries genes for antibiotic resistance on a plasmid. A copy of the plasmid is transferred through conjugation. Resistance is quickly spread through many bacteria. Bacteria can evolve resistance to antibiotics. • Bacteria are gaining resistance to antibiotics. • overuse • underuse • misuse • Antibiotics must be used properly.

More Related