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- OSMOTIC FRAGILITY TEST Principle and Important/Function Specimen required. Explain briefly Factors affecting OFT. Briefly explain each Normal result (values)Miles and Misra serial dilution strategy to determine bacterial density (cfu/ml) and if infection is clinically relevant. urine sample what the result shows, what the result means, your confidence in each result, troubleshooting needed for repeating diagnostic test whether the result is useful for forming your scientific opinion, and whether you accept or reject the result (and your justification for this). thank you!!!INSTRUCTION: Answer the question properly Do not copy in Google, plagiarize checker will be used. QUESTION: Tabulate the main differences between Gram-positive and Gram-negative bacteria.