10. Why plastids are called the kitchens of the cell"?
11 Name the processed by which CO, and H,0 move int
12. What makes Lysosomes such effective digestive bag
13. Who discovered Golgi apparatus 7 Describe its struc
14. List two differences between SER and RBR?
15. (a) What is DNA? Where is it found?
(b) Name the functional segment of DNA?
16. State cell theory. Name the scientist who presente
17. What are genes? What is their function?
18. List two types of plastics. State one function of eac
19. Identify and name the following cell structures
(a) The undefined nuclear region of prokaryotic
(b) Site of energy release inside the cell.
Answers
Answer:
10.because they prepare food
11.when it co2 -diffussion
when it h2o -osmosis
13.camillo Golgi
14. RER is attached to the nuclear
membrane
ser helps to storage proteins
15.found in nucleas and also found in mitochondria in small amount
16.that living organisms are made up of cells that they are the basic structural and organizational unit of all organisms
17.unit of heredity transfer from one generation to another it transfer hereditary material and it segments of DNA also synthesis protein
18.
ANSWER :
Different region of a cell can communicate with each other rapidly for the cell to function effectively.
Cells have a large surface area / volume ratio for Greater diffusion of substances in and out of the cell.