cell division

Question 1

what is produced in mitosis

Answer 1

2 daughter cells

Question 2

mitosis timeline

Answer 2

1. cell begins to divide
2. dna replicates (2 copies of each chromosome )
   3.one set of chromosomes is pulled to each end of cell and nucleas divides

Question 3

haploid

Answer 3

23 chromosomes

Question 4

diploid

Answer 4

46 chromosomes

Question 5

stem cell

Answer 5

undifferentiated cells that can differentiate in to one or more specialised cells

Question 6

where are adult stem cells found

Answer 6

bone marrow

Question 7

what are embryonic stem cells

Answer 7

undifferentiated stem cells from embryos that can differentiate into any cell

Question 8

what is therapeutic cloning?

Answer 8

patients cells are used to create an early embryo clone of themselves

Question 9

advantage of therapeutic cloning

Answer 9

stem cells from embryos will not be rejected

Question 10

advantage of using adult stem cells

Answer 10

fewer ethical issues as adults can consent

Question 11

disadvantages of using adult stem cells

Answer 11

can treat fewer diseases as they cannot differentiate into any cell

Question 12

advantage of using embryonic stem cells

Answer 12

can be used to treat many diseases
easier to obtain

Question 13

what is cell division by mitosis

Answer 13

body cells divide to form two identical daughter cells

Question 14

what is the purpose of mitosis?

Answer 14

growth repair of cells and asexual production

Question 15

what is plant meristem

Answer 15

where rapid cell division occurs in the tips of the roots of a plant