Cells as the basis of life: Topic 2

Question 1

Distinguish between unicellular and multicellular organisms.

Answer 1

Unicellular organisms consist of one kind of cell. Multicellular organisms have many cells.

Question 2

Level of organisation in animals?

Answer 2

Specialised cell
Tissue
Organ
System
Organism

Question 3

Level of organisation in plants?

Answer 3

Specialised cell
Tissue
Organ
System
Organism

Question 4

What is cell differentiation?

Answer 4

the process by which
unspecialized cells, called stem cells, become
specialized cells. (so they get their job).

Question 5

What are embryotic stem cells?

Answer 5

has the potential to
develop into several types of cells. They are
pluripotent (means having potential).

Question 6

What are adult stem cells?

Answer 6

They are
multipotent or unipotent. (can have lots of potential cell types or only one).

Question 7

What is cell potency?

Answer 7

the cell’s ability to develop into other types of cells