Free Cell Biology and Microscopy Quiz | University Admission Biology Practice

Cell Biology and Microscopy

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The diagram below is drawn from a transmission electron micrograph of a mitochondrion. On the printed image, the length of the mitochondrion along the line \(XY\) is \(36\text{ mm}\), and the scale bar, which represents \(2\ \mu\text{m}\), measures \(20\text{ mm}\).

What are the actual length of the mitochondrion and the magnification of the image?

Select one option.

Actual length \(=0.36\ \mu\text{m}\); magnification \(=\times 100\,000\)
Actual length \(=3.6\ \mu\text{m}\); magnification \(=\times 1\,000\)
Actual length \(=3.6\ \mu\text{m}\); magnification \(=\times 10\,000\)
Actual length \(=36\ \mu\text{m}\); magnification \(=\times 1\,000\)
Actual length \(=7.2\ \mu\text{m}\); magnification \(=\times 5\,000\)

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