Unit 1 Cells - Making slide of onion skin cells * prescibed practical* Flashcards
1
Q
What do you use to peel a thin layer of transparent layer of epidermis cells from a small section of an onion bulb?
A
Forceps
2
Q
Why is it important that a thin transparent layer of epidermis is used?
A
To allow the light to pass through?
3
Q
What 3 solutions can be used on the microscope slide?
A
Few drops of water, iodine or methylene blue.
4
Q
What is the function of the stain?
A
Stain the colour of the cells making certain parts more obvious, such as the nucleus
5
Q
What do you use to lower the cover slip?
A
Forceps or mounted needle
