Onions in focus

Title: Onions in focus
Category: /Science & Technology/Computers and Cybernetics
Details: Words: 310 | Pages: 1 (approximately 235 words/page)
Onions in focus
Aim: To investigate onion cells and to practise using the microscope. Materials & Equipment: - Glass slide - Cover slip - Onion layer (1 cell thick) - Iodine stain - Microscope - Water & syringe Method: 1) If necessary, carefully clean the cover slip and glass slide (always hold the glass by the edges) 2) From a piece of onion, carefully peel a layer of its skin (one cell thick) and put it on the glass …showed first 75 words of 310 total…
You are viewing only a small portion of the paper.
Please login or register to access the full copy.
…showed last 75 words of 310 total…that no air gets trapped underneath. Trapped air makes it harder to see. We stained the onion skin with "iodine stain" to make the cells stand out. We should avoid getting air bubbles trapped under the cover slip to have a clear view of the cells. Conclusion: In this experiment I have learned how to better use different parts of the microscope. I also discovered the different shapes of the onion cell and their colours.

Need a custom written paper?
Buy a custom written essay and get 20% OFF the first order