Liver tissue was homogenized followed by differential ultracentrifugatioh to isolate various organelles. The organelles were then viewed through a microscope. The drawing below was sketched based on a picture from a high-powered microscope. i. Name the type of high-powered microscope used to take the photograph. ii Give one evidence for your answer. When the isolation technique for organelles was repeated using the same liver tissue for a second time, all of the above organelles had burst. Infer one possible mistake that had been made during the isolation stage.

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Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.