Biology Lab Term Paper

Total Length: 342 words ( 1 double-spaced pages)

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Eukaryotic Cell

Try to identify the following structures in an amoeba (Fig. 4.2):

Nucleus: A single, membrane-bounded oval structure.

Food vacuoles: Membrane-bounded spheres that contain engulfed food. Are these present? Yes.

Contractile vacuoles: Transparent, membrane-bounded spheres used to expel excess water. Are these present? Yes.

Animal Cell Structure

Animal cells contain all the structures in Table 4.1 except they do not have a cell wall and do not have chloroplasts. Can animal cells make their own organic food? No. Why or Why not? Plants have chloroplasts which allows them to convert solar energy to carbohydrates.
The carbohydrates are the organic food that plants then use for energy. Animals do not have chloroplasts and so are not capable of making their own organic food.

Observation: Elodea (Anacharis)

Can you locate the cell nucleus? Yes. It may be hidden by the chloroplasts, but when visible, it appears as a faint, gray lump on one side of the cell.

7. Can you detect movement of chloroplasts in this cell or any other….....

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