Stem cells

Question 1

What is a stem cell?

Answer 1

They are:
undifferentiated
Pluripotent (can become any type of specialised cell)
Can express all genes
Can divide to produce more stem cells and may differentiate

Question 2

Where are stem cells in animals?

Answer 2

Embryo’s
Umbilical cord blood
Adult stem cells in developed tissue

Question 3

Where are stem cells in plants?

Answer 3

• Roots and shoots types, cambium of vascular bundles
• Thin walls do they can divide
• No chloroplasts
• No large vacuole
• Can divide by mitosis and differentiate

Question 4

How is it used in burn patients?

Answer 4

A part of the skin cells are taken and grown into a larger clump of cells that can be