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2) on the back of your cheek cell, please write up neatly where you got to with measuring your cheek cell - you should write out the steps in full in the same style as on 04 Microscopy Skills. You may not have got as far as measuring your cell with the calibrated graticule however you could explain what you would have done and how you would have worked it out

3) please learn the steps and maths method for calibrating and using an eyepiece graticule to measure a specimen. On Fridays lesson I will give you something to measure as a kind of informal skill test! 

4) go to 04 Microscopy Skills, and try the first from each of 1-7 ie 1a then 2a etc

5) on the same document scroll down to Summary Questions 1 and 2

6) spare time in 1 hour? Try any more of the maths problems you think you would benefit from.