GRADE 9: YOGURT

1. DESCRIBE THE USE OF MICROORGANISM IN THE MANUFACTURE OF YOGURT.

2. SEARCH FOR THE RECIPE AND PROCEDURE ON HOW TO MAKE A YOGURT.

3. DESCRIBE DIFFERENT DEFICIENCY SYNDROMES. SUCH AS LACK IN VIT C OR PROTEIN...... ETC

GRADE 10: GENETICS

RESEARCH ON THE FOLLOWING:

1. Explain through an example how the two general sets of factors, heredity and environment determine characteristics of an organism.

2. Gregor Mendel's life and works.

3. Why did Mendel make a good choice with his peas?

4. What do the terms dominant and recessive mean?

5. What is the law of segregation?

6. What is a sex linked trait?

7. What is a sex influenced trait?

8. what is a sex limited trait?

9. What is a non-mendelian inheritance?

10. What causes mutation?

11. Who is Thomas Hunt Morgan?

12. How did Morgan's discovery differ from Mendel's?

13. How is blood type inherited?

14. Special cases of heredity.

15. Hybridization.

16. Selection and Inbreeding.

17. Genetic improvements on humans.

GRADE 9: NUTRIENTS

RESEARCH ON THE FOLLOWING:

1. What is food? explain its use in the body of an organism.

2. What is meant by essential and non essential amino acids? How do we get it?

3. In what way is a calorie related to a change in weight?

4. What vitamin deficiency will a pure vegetarian most likely suffer from?

5. People can survive a short time without most nutrients, but they must have water regularly. Why?

6. What is energy?

7. What is a flamingo milk?

8. How does the body control heat loss?

9. How do cholesterol lead to heart disease?

10. How is starch hydrolyzed by enzymes?

11. Explain the quality of proteins.

12. Problems of world food supply.

13. Balanced diet.

ENZYMES

Research on the following:

1. How do enzymes alter the rate of chemical reactions?

2. What are the industrial applications of enzymes?

3. How are enzymes affected by pH level?

4. What are co-enzymes?

5. How are enzymes affected by temperature?

NOTE: PORTFOLIO SUBMISSION IS ON SEPTEMBER 27 - OCTOBER 1

Enzymes

Research about the LOCK AND KEY THEORY of enzymes. Draw a diagram of this theory in an A4 paper. Be ready to EXPLAIN it individually next week. Good Luck.

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.

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.