Tuesday, August 12, 2014

Plasmolysis and the color of flowers

Plasmolysis is the shrinkage of the protoplast in a plant cell when the cell is in a hypertonic solution like salt or sugar water. The water in the cytoplasm of the cell is reduced by osmotic pressure which leads to a separation from the cell wall and a concentration of the color pigments (flavonoids) of the flower. This are some different colored flower leafs of flowers placed in salt water. 

bell flower petal under the microscope
A Bell Flower.

Bindweed flower cell protoplasts
A bindweed flower.

Pink petal protoplasts under the microscope
A pink.

red rose petal under the microscope
A red rose.

Sunflower under microscope
Sunflower.

sunflower cells
Another sunflower sample.

tagetes under microscope
Tagetes.

yellow tagetes under the microscope
Tagetes.

yellow rose under the microscope
A yellow rose.

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