In this experiment we will use a potato and tomato to observe the cells that are inside of them.
amylopectin: Cells that keep the starch.
Chromoplast: Keep pigments.
OBJECTIVES:
- To see the pigments of the tomato and if all the cell is red.
- With the potato, to see the aminoplasts
FIRST PART: PROCEDURE OF THE TOMATO:
1. Peel the tomato and take a small part of the pulp.
2. Prepare a procedure called squash.
3. Observe with the microscope.
4. Cut a small piece of paper (2cm) and you need to push and to turn with the finger to the tomato, and then take away the paper.
OBSERVATIONS:
The cells are white/transparent, and form red pigments that are the cloroplast.
SECOND PART: PROCEDURE OF THE POTATO:
1. You need to cut a small piece of potato and to take the white liquid that is insade of the potato with a dropper.
2. You need to put the liquid with the light a few minutes (the liquid need to be dry).
3. Put a few drops of lugol and wait 3 minutes.
4. Observe with the microscope.
OBSERVATIONS:
You can see the aminoplasts.
MICROTOME PART:
1. We need distilled water and with the microtome cut the piece of potato ant put inside the distilled water.
2. Dye the piece of potato.
3. Observe with the microscope.
OBSERVATIONS:
We observe the starch organelles inside the cell.
We count arround 12-20 organnels in each cell.
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