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... • Impetigo (Pyoderma) and Erysipelas – Diagnosis, treatment, and prevention – The presence of vesicles is diagnostic for impetigo – Treat with penicillin and careful cleaning of infected areas – Prevent with proper hygiene and cleanliness ...
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Final Review Key - McKinney ISD Staff Sites

... Helicase unwinds the DNA and breaks the hydrogen bonds between the nitrogen bases. Binding proteins hold the DNA open. DNA polymerase begins adding nucleotides to the 3’ end of the growing strands of DNA. On one side, the leading strand, the 3’ end of the strand is toward the replication fork. On th ...
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... Bacteria, fungi and mildews are all present in our every day environment. These microscopic organisms have adapted to colonise and thrive in almost all places on earth. Residual levels of many bacterial strains are of no consequence to human health, in fact they can help build a general level of res ...
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... breakdown decaying plant and animal organisms. Penicillin is an important antibiotic formed from fungal bacteria. Plantlike microorganisms (phytoplankton and algae) found in the ocean provide valuable oxygen to our atmosphere and are important food source to larger organisms. Some bacteria produce m ...
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Chapter 16 Active Lecture Questions

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Bacterial cell structure



Bacteria, despite their simplicity, contain a well-developed cell structure which is responsible for many of their unique biological structures. Many structural features are unique to bacteria and are not found among archaea or eukaryotes. Because of the simplicity of bacteria relative to larger organisms and the ease with which they can be manipulated experimentally, the cell structure of bacteria has been well studied, revealing many biochemical principles that have been subsequently applied to other organisms.
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