A student uses a light microscope to examine cells from a carrot tissue culture.
A diagram of one of the parenchyma cells is shown below:
The measured length of the cell image YYY is 45 mm45\text{ mm}45 mm. The image of this cell has been magnified by 600×600\times600×.
Calculate the actual length of the cell YYY in millimetres (mm\text{mm}mm). Give your answer in standard form.
Cell structures Questions
Practise OCR GCSE Biology Cell structures with exam-style questions for Foundation and Higher tier. 69 questions, matched to the OCR GCSE Biology (J247) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.