Staining Flashcards
1
Q
What stain can you use to show DNA and chromosomes?
A
Acetic Orcein (stains a dark red)
2
Q
What stain to you use to see the cytoplasm?
A
Eosin (stains a deep blue/purple)
3
Q
What stain do you use to see lipids?
A
Sudan red (stains red)
4
Q
What stain do you use to see starch?
A
Iodine (stains blue/black/purple)
5
Q
What stain do you use to see cellulose in plant cell walls?
A
Iodine (stains yellow)
6
Q
What is the common all purpose stain?
A
Methylene blue
7
Q
What are stains and why do we use them?
A
Stains are coloured molecules which bind to molecules on a specimen which increases the contrast
8
Q
What are the benefits of using stains?
A
•Increases the contrast
•Which allows for parts of the cell to be distinguished easier
•Clearer image allows for more internal structure to be seen
