3.1- Microscopes And Studying cells Flashcards
Why do you add iodine to the plant cell?
Acts as a dye. It attaches to the cell membrane so that you can see the sub-cellular structures clearer.
What chemicals are used to stains a plant and animal cell?
Iodine for plants and methyl blur for animal
Why should you gently lower the covers lip onto the slide?
To make sure there are no air bubbles and the views is not effected.
Do you add or times the magnification of the eyepiece and the objective lenses?
You times them
What is the wavelength of visible light?
0.2 micro-metres
Why do you start on the lowest objective lens?
To get the greatest field of view.
What is the magnification adjusted by?
The objective lens and the eyepiece
What changes the resolution?
The fine and coarse focus wheels
Why is added to an (already dyed) cell?
Water
How should the microscope be held?
By the handle while supporting the bottom.
What is the equation for magnification?
Magnification=Image/Actual
