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Microbiology - comparison of gram-negative and gram-positive

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Compare and contrast gram-positive and gram-negative cell walls with regard to (a) sensitivity to antimicrobial agents, (b) resistance to phagocytosis, (c) chemical composition, and (d) decolorization by alcohol.

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Solution Summary

A thorough solution comparing the cell walls of gram-positive and gram-negative bacteria. Solution includes relevant theory pertaining to the nature of the gram stain and detailed explanations of all related questions.

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General Microbiology (Bacteria, Energy Production, DNA etc.)

A number of multiple choice Microbio questions. Examples:

#1 Compare and contrast carbohydrate catabolism and energy production in the following bacteria:
a. Pseudomonas, an aerobic chemoheterotroph
b. Spirulina, an oxygenic photoautotroph
c. Ectothiorhodospira, an anoxygenic photoautotroph

#2 The bacterial enzyme streptokinases is used to digest fibrin (blood clots) in patients with arteriosclerosis. Why doesn't injection of streptokinases cause a streptococcal infection? How do we know the streptokinases will digest fibrin only and not good tissues?

*(For complete list of questions, please see attachment)

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