"Plant cells have all the components of animal cells and boast
several added features, including chloroplasts, a central vacuole, and a cell
wall. Chloroplasts convert light energy—typically from the Sun—into the sugar
glucose, a form of chemical energy, in a process known as photosynthesis.
Chloroplasts, like mitochondria, possess a circular chromosome and
prokaryote-like ribosomes, which manufacture the proteins that the chloroplasts
typically need.
The central vacuole of a mature plant cell typically takes up most of the room
in the cell. The vacuole, a membranous bag, crowds the cytoplasm and organelles
to the edges of the cell. The central vacuole stores water, salts, sugars,
proteins, and other nutrients. In addition, it stores the blue, red, and purple
pigments that give certain flowers their colors. The central vacuole also
contains plant wastes that taste bitter to certain insects, thus discouraging
the insects from feasting on the plant."
Microsoft ® Encarta ® Reference Library 2005. © 1993-2004 Microsoft Corporation.
All rights reserved.
Flash MX 2004
Minimum Screen Resolution: 1024 x 768
Level: Beginner
File: plant-cell-exercise.fla

In this Flash project we will be creating button symbols for each of the labels. The label is created in the "Over" state of the button symbol. The "up" state of the symbol has a blank keyframe. This will cause the word to appear on mouse over.
1- Open the plant-cell-exercise.fla
2- Open the Library Panel (Ctrl + L)
3- Insert/New Symbol... then name it "Nucleus" and choose "Button" and
click OK.

4- Leave the first frame (Up) blank and insert a keyframe on at
"Over" and type the word "Nucleus" using (Verdana, 12, bold)
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The timeline will look like this:

5- Go back to Scene 1, and drag the button from the library to its appropriate position.
6- Test the button using Ctrl + Enter.
Repeat steps 3 through 6 to insert all other labels.
NB: you can get better results if in the "Over" state you draw a real button using the rectangle tool.
Follow the image below for all labels:

Good Luck!