Ruler

... doing the [highest concentration - 0 concentration (for area) -control ] / ADH found in lanes that are not control. However, I'm left with a ruler on the image and really not knowing what to do with that. So my questions are: I'm I doing this wrong? Why is there a ruler?

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Nice bone. But I think you missed one thing: a ruler or something to measure its size ;)

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... You want to measure an object that exceed the FOV of your lowest power. My first thought is that if the object is large enough, just use a ruler. But let's say it is not. I made a image to illustrate. So say you computed a FOV for your low power setting to be 4500um. Look at the picture ...

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... Kaffirs are trained for intellectual professions. [Adolf Hitler, Mein Kampf Vol. 2 Chapter 2] It may be that today gold has become the exclusive ruler of life, but the time will come when man will again bow down before a higher god. [Adolf Hitler, Mein Kampf Vol. 2 Chapter 2] Christianity could ...

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I'm totally lost on this. If I drew a diagram that was 7cm (70000 micrometers), and the cell viewed was measured to be 3 micrometers (using ruler on ocular lens), what is the magnification of the drawing?? The lens used to view was 100X. The ocular lens is 3.5X. I know you calculate drawning ...

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