Structure And Functions In Living Organisms

Question 1

What is the levels of organisation of organisms

Answer 1

Organelles, cell, tissue, organs and systems

Question 2

What are the different organelles

Answer 2

Nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplast, ribosomes and vacuole

Question 3

explain the importance of cell differentiation in the development of specialised cells

Answer 3

Cell differentiation is important because it allows unspecialised cells to become specialised, so they can perform specific functions needed for the organism to grow, develop, and survive.

Question 4

What are the advantages and disadvantages of using stem cells in medicine

Answer 4

Advantages of Using Stem Cells in Medicine:

1.	Can treat diseases like diabetes and paralysis by replacing damaged cells.
2.	Can grow organs for transplants, reducing organ shortages.
3.	Allows for testing of new drugs without using animals or humans.

Disadvantages of Using Stem Cells in Medicine:

1.	Ethical concerns, especially with embryonic stem cells.
2.	Risk of rejection or infection during treatment.
3.	Stem cells could divide uncontrollably, leading to tumors.