Statistics for A level: microscopy quiz

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This quiz has been taken 2 times
The average score is 2 of 21

Answer Stats

Hint	Answer	% Correct
What is one nanometre is millimetre?	0.000001	100%
Can cells be alive in electron microscopes?	No	50%
Can cells be alive in optical microscopes?	Yes	50%
What is the maximum resolution, in um, of an electron microscope?	0.0002	0%
What is the maximum resolution, in nm, of an optical microscope?	200	0%
Which term describes structures that look like the real cell but are the results of preserving and staining?	Artefacts	0%
What solution must you put the sample in to prevent osmosis?	Buffer	0%
Which microscope, of optical or electron, involves a vacuum?	Electron	0%
What is the second step of cell fractionation?	Filtration	0%
What is the first step of cell fractionation?	Homogenisation	0%
What must you keep the test tubes on to prevent enzyme action from breaking the cells?	Ice	0%
What is the formula for magnification?	Image size divided by actual size	0%
What is the formula for total magnification when using a microscope?	lens magnification x objective lens	0%
Which term describes the degree to which the size of an image is larger than the object itself?	Magnification	0%
Which term describes the degree at which it is possible to distinguish between two objects that are very close together?	Resolution	0%
Which microscope can be useful for looking at 3D structures?	Scanning electron	0%
Which term describes metal particles or salts to help distinguish features?	Stains	0%
What is the third step of cell fractionation?	Ultracentrifugation	0%
Which of the three previous answers describes the separation of the organelles?	Ultracentrifugation	0%
What is the maximum magnification for an optical microscope?	x1500	0%
What is the maximum magnification of an electron microscope?	x1500000	0%

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