Thursday, July 29, 2010

GRADE 9: DIFFUSION

Research about the following:
1. The state of equilibrium in being reached in diffusion.
2. Why do plants wilt? How can wilting be controlled?
3. Explain why animal cells do n0t build up turgor pressure.
4. Tissue culture.
5. Reverse osmosis.
6. IONS
7. How to measure the rate of Osmosis.
8. Experiments that involves movement of water.

NOTE: Save your work first, the submission date will follow.

Tuesday, July 27, 2010

RESEARCH

ALL research should be saved first and will b submitted at the end of each TERM inside the PORTFOLIO!!!
Research on the following:
1. History of the Cell Theory.
2. Cell parts that have membranes.
3. The function of the Cell Wall in Plants
4. The importance of ER in the synthesis of protein.
5. What are LYSOSOMES and why are they considered as "suicidal sacs"?
6. How can a Paramecium perform all cell processes?
7. Where would you find more mitochondria? Explain.
8. Comparison between an animal cell and a plant cell.
9. Prokaryotes.
10. New discoveries about CELL.