THE FUNDAMENTAL UNIT OF LIFE -Part 2

THE FUNDAMENTAL UNIT OF LIFE Lesson 1

Question and Answers Continued

1. Can you name two organelles we studied that contain their own genetic material?
Two cell organelles that contain genetic material are mitochondria and chroloplast.

2. If the organization of a cell is destroyed due to some physical or chemical influnce, what will happen?
If the organization of a cell is destroyed, then the cell would die.

3.Why are lysosomes known as suicidal bags?
Lysosomes are known as suicidal bags because they burst while releasing hydrolytic enzymes.

4. Where are proteins synthesized inside the cell?
The proteins are synthesized in the ribosomes.


1. Make a comparision to write down ways in which plant cells are different from animal cells.

Plant cell	Animal cell
1. Cell membrane is covered by a thick cell wall made of cellulose.	The cell is enclosed by only the cell membrane.. cell wall is abseny.
2. Plastids (only chloroplasts) are present.	Plastids are absent.
3. Vacuoles are large, central and prominent.	Vacuoles are either absent or of very small size.
4. Centrosomes are absent. Polar caps are instead present.	Centrosomes are present with 2 centrioles.
5. Cell division takes place by the formation of a cell plate.	Cell division takes place by the formation of a groove.
6. Golgi complex consisting of unconnected units is called the dictosomes.	Golgi complex presents near the nucleus of the cell.