Investigating the distr Study guides, Class notes & Summaries

OCR A Level Biology Practicals Questions and Answers Verified 2024 Practical 1 : Using a Light microscope to examine blood smears - Correct Answer Preparation: 1.) staining samples with methylene blue/ eosin - staining to add contrast so it is easier to identify different parts of te cell - for the electron microscope, the specimens are stained with lead 2.) mounting - dry mount: thinly sliced use tweezers to pick up your specimen and put it in the middle of a clean slide place a cove...