U1 KA4 Cellular Differentiation

Question 1

What is cellular differentiation?

Answer 1

The process by which a cell expresses certain genes to produce proteins characteristic for that type of cell

Question 2

What allows a cell to carry out specialised functions?

Answer 2

Cellular differentiation

Question 3

From where do specialised cells differentiate in plants?

Answer 3

Meristems

Question 4

What types of stem cells are found in animals?

Answer 4

Embryonic and tissue (adult) stem cells

Question 5

What can cells in the very early embryo differentiate into?

Answer 5

All the cell types that make up the organism

Question 6

What is the term for stem cells that can differentiate into all cell types?

Answer 6

Pluripotent

Question 7

What type of stem cells are involved in the growth, repair, and renewal of tissue?

Answer 7

Tissue stem cells

Question 8

What is the term for tissue stem cells that can differentiate into multiple cell types?

Answer 8

Multipotent

Question 9

What are therapeutic uses of stem cells?

Answer 9

Repair of damaged or diseased organs or tissues

Question 10

What are research uses of stem cells?

Answer 10

Model cells to study disease development or drug testing

Question 11

What ethical issues are associated with the use of embryonic stem cells?

Answer 11

destroying an embryo