stem cells

Question 1

stem cells are cells in a____ that can continuously undergo c___ d____

Answer 1

animals, cell division

Question 2

are adult stem cells limited?

Answer 2

yes

Question 3

what’s the term called when a cell becomes specialized?

Answer 3

differentation

Question 4

when a sperm cell fertilizes an egg cell what is it called?

Answer 4

zygote

Question 5

where are plant stem cells found/?

Answer 5

in the meristem

Question 6

List some of the arguments for and against the use of stem cells.

Answer 6

For: They can be used to treat some medical conditions in humans. These include leukaemia, type 1 diabetes and Parkinson’s disease.

Against: There are clinical, ethical and social issues around the use of embryonic stem cells.

For: Stem cells in plants are used to grow copies of rare plants and beautiful flowers.

For: Large numbers of clones can be made quickly and easily.

For: There are fewer clinical, ethical and social issues surrounding the use of plant stem cells.

Question 7

E_____ stem cells are only found in embryos. They can d______ into all the cell types that make a human.

Adult stem cells are found in c_____ and adults. They can only differentiate into a l____ number of cell types.

Answer 7

embryonic,
differentiate,
children
and limited.

Question 8

what do bone marrow stem cells make?

Answer 8

blood cells