WangYanting_CS2 - CaseStudiesinMicroscopy Name _Yanting...

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Case Studies in Microscopy Name ____Yanting Wang __________ The Fatal Flu Part 1: The Disease 1. The cause of this fatal flu could be either Bacterial or Viral (even fungi). Among bacteria that could be responsible for pneumonia-like illnesses are Haemophilus infuenzae, Legionella pneumophilla, Chlamydophila pneumoniae , Moraxella catarrhalis, Pseudomonas aeruginosa, Staphlococcus, and Streptococcus pneumonia, Klebsiella pneumoniae. Viruses that could be responsible for pneumonia-like symptoms include Human Adenovirus, Human Coronavirus, Influenza A Virus, Human Respiratory Syncytial Virus (RSV), and Rhinovirus. Part 1: The Gram Stain Results 2a. Only Bacterial cells can be seen in a Gram Stain because of their small size. Gram stains primarily reach no higher resolution than 1000x. Of the ones listed, Gram (+, purple) bacteria include Staphylococcus and Streptococcus pneumonia. Gram(-, pink) bacteria include Haemophilus, Legionella, Moraxella, Pseudomonas, Klebsiella pneumoniae, Chlamydophila pneumoniae. Some large fungi cells can also be seen through the gram stain, however no useful information regarding a fungal cell envelope can be determined through staining. 2b. A typical bacterial bout one tenth the size of eukaryotic cells and are typically 0.5–5.0 micrometers in length. The cells in the patients are about 10 micrometers and are much larger than typical bacterial, thus indicating that
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This note was uploaded on 04/11/2010 for the course BIOMI 2900 at Cornell University (Engineering School).

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WangYanting_CS2 - CaseStudiesinMicroscopy Name _Yanting...

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