Division And Differentiation

Question 1

Where are embryonic stem cells located

Answer 1

Blastocyst

Question 2

Describe a current use for stem cells

Answer 2

IVF (a procedure that is used to help some people have babies)

Question 3

Describe a FUTURE use for stem cells

Answer 3

Treating diabetes and Alzheimer’s

Question 4

Are somatic cells haploid or diploid

Answer 4

Diploid

Question 5

Are germline cells haploid or diploid

Answer 5

Haploid and diploid

Question 6

How do somatic cells divide

Answer 6

Mitosis

Question 7

How do germline cells divide

Answer 7

Both

Question 8

Where are germline cells found

Answer 8

Reproductive organs

Question 9

What causes cancer

Answer 9

Uncontrolled growth and the fact that cancer cells do not respond to regulatory signals

Question 10

Pluripotent meaning?

Answer 10

Can differentiate into any cell type in the organism

Question 11

Multipotent meaning?

Answer 11

Can only give rise to a limited number of cell types

Question 12

Give some examples of SOMATIC cells

Answer 12

Skin cell red blood cell or any non reproductive cell

Question 13

What are somatic cells

Answer 13

Stem cells that have become specialised (differentiated)

Question 14

What are some ethical issues with the use of embryonic stem cells

Answer 14

Gathering Stem cells take away the potential to become a human being

Question 15

How many pairs of homologous chromosomes do diploid cells have

Answer 15

23

Question 16

Haploid cells have 23…

Answer 16

Single chromosomes

Question 17

What do scientists use to grow cells in the lab

Answer 17

Cell culture

Cells from a blastocyst are out in a flask with nutrients and left to divide

Question 18

What are the two types of stem cell

Answer 18

Embryonic and tissue

Question 19

Why do our bodies need stem cells

Answer 19

Growth and repair