stem cells

Question 1

stem cells are unspecialised cells that can

Answer 1

reproduce themselves by mitosis and remain undifferentiated

or

differentiate into specialised cells when required to do so

Question 2

embryonic stem cells are unspecialised cells from a

Answer 2

human blastocyst

Question 3

all the genes in an embryonic stem cells have the capability of

Answer 3

differentiating into all cell types of the human body

Question 4

embryonic stem cells are described as

Answer 4

pluripotent

Question 5

embryonic stem cells can be formed by

Answer 5

transferring cells from a pre implantation stage embryo into a plastic laboratory culture dish

Question 6

tissue (adult) stem cells are found in

Answer 6

skin and red bone marrow

Question 7

they have a lower differentiation potential than embryonic stem cells because

Answer 7

many of their genes have already been switched off during development

Question 8

the primary role of tissue stem cells is

Answer 8

to maintain and repair the tissue in which they are found

Question 9

tissue cells in red bone marrow give rise to

Answer 9

red blood cells, phagocytes, lymphocytes and platelets

Question 10

tissue stem cells are described as

Answer 10

multipotent