Specialised cells

Question 1

what are specialised cells

Answer 1

developed certain characteristics in order to perform particular functions

Question 2

How to cells specialize

Answer 2

undergoing differentiation: a process that involves the cell gaining new structures within the cell in order for it to be suited to its function

Question 3

Stem cells

Answer 3

have the ability to differentiate their whole lives (these are called stem cells)

Question 4

Examples of specialised cells

Answer 4

red blood cells, ciliated cells, sperm cells, egg cells

Question 5

Advantages of stem cells ( just two needed)

Answer 5

1. Can be useful for replacing damaged cells
2. Bone marrow transplant, where an adult stem cell can be used to treat leukemia and other blood cancers
3. You could use your own organs for transplant therefore don’t need a donor
4. No chance of organ rejection organs are made from the person own stem cells

Question 6

Disadvantages of stem cells ( just two needed)

Answer 6

1. Unethical, as the usage and destruction of embryos
2. Mutations can occur in stem cells cultured for several years.
3. Impossible to get embryonic stem cells as they have to be collected before birth.
4. difficult to find suitable stem donors