Transcript Onion, Elodea, and Cheek Cells Lab

Animal Cell vs. Plant Cell Lab
(Onion, Cheek Cells, and Elodea Lab)
Unstained onion skin
1. Prepare a wet mount (only 1 drop of water) of
onion skin (just water/unstained)
2. View under very low light, medium power.
3. Draw 2 representative cells and label the
following parts:
Cell Wall
Cell Membrane
Cytoplasm
Stained Onion Cell
1. Using Iodine, stain the onion skin
2. View under very low light, medium power.
3. Draw 2 representative cells and label the
following parts:
Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Cheek Cells
1. Prepare a stained mount of cheek cells
using bromothymol blue (1 – 2 drops)
2. View under medium to low light, high power.
3. Draw 2 representative cells and Label the
following parts:
Cell Membrane
Cytoplasm
Nucleus
Elodea
1. Prepare a wet mount (only 1 drop of water)
of elodea.
2. View under medium to high light high
power.
3. Draw 2 representative cells and label the
following parts:
Cell Wall
Cell Membrane
Cytoplasm
Chloroplast