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The Cell

The Cell

The Cell. Cell Types Cell Parts Diffusion & Osmosis. Cell Types. Prokaryotic Cells (Prokaryotes). Bacteria. http://micro.magnet.fsu.edu/cells/bacteriacell.html. Capsule. a protective covering made up of polysaccharides (complex carbohydrates).

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1.13k views • 82 slides
Gram Positive Rods

Gram Positive Rods

Gram Positive Rods. Listeria. Small Gram positive rods or coccobacilli (<2 ? m ) Tolerate wide temperature and pH range Small haemolytic colonies on blood agar ( ? haemolysis ) Facultative anaerobes Catalase positive, oxidase negative Tumbling motility at 25 degrees Aesculin hydrolysed

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1.34k views • 56 slides
Cocci of Medical Importance

Cocci of Medical Importance

Cocci of Medical Importance. General Characteristics of the Staphylococci. Spherical cells arranged in irregular clusters Gram positive Common inhabitant of the skin & mucous membranes Lack spores and flagella May have capsules 31 species. Staphylococcus aureus.

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1.4k views • 31 slides
Scarlet fever

Scarlet fever

Scarlet fever. Introduction 1 A kind of acute infectious disease of respiratory tract 2 Group A ?-hemolytic streptococcus 3 Main clinical manifestation: acute fever pharyngitis diffuse and red exanthem(rash).

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1.5k views • 22 slides
Introduction to Microbiology

Introduction to Microbiology

Introduction to Microbiology. Prokaryotes vs Eukaryotes. Prokaryotic DNA. Eukaryotic DNA. B acterial chromosome is a single, double-stranded circle that is contained in a discrete area known as the nucleoid Histones not required to maintain the conformation of the DNA

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551 views • 15 slides
NEISSERIA SPECIES - MICRO {ST1}

NEISSERIA SPECIES - MICRO {ST1}

NEISSERIA SPECIES - MICRO {ST1}. BY RANJEET RAMAN. Two pathogenic species: N. gonorrhoeae and N. meningitidis Neisseria are Gram- diplococci. They are non-motile, non- sporing , catalase positive. All are ?quite nutritionally fastidious and require special media and CO2-rich environments.

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344 views • 13 slides

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