cellular differentiation 1.4

Question 1

what is a blastocyst?

Answer 1

early human embryo composed of unspecialised cells

Question 2

what is bone marrow?

Answer 2

a common source of tissue stem cells in humans

Question 3

what is differentiation?

Answer 3

process of cell specialisation involving the selective switching off and on of certain genes

Question 4

what is an embryonic stem cell?

Answer 4

type of stem cell capable of differentiating into all of an animals cell types

Question 5

what are ethics?

Answer 5

moral values that ought to govern human conduct

Question 6

what is a meristem?

Answer 6

group of unspecialised plant cells capable of dividing repeatedly throughout the life of the plant

Question 7

what is regulation?

Answer 7

a form of control to ensure the quality of stem cells used and the safety of the procedures carried out

Question 8

what is a specialised cell?

Answer 8

a cell that has become differentiated and only expresses genes for proteins specific to that cell type

Question 9

what is a tissue stem cell?

Answer 9

type of stem cell capable of differentiating into a limited range of an animals cell types

Question 10

what does the therapeutic use of stem cells mean?

Answer 10

term describing the use of stem cells in the repair of damaged or diseased organs