Cell Division

Question 1

What is stage 1 of the cell cycle?

Answer 1

The cell grows bigger and the DNA replicates

Question 2

What happens if stage 2 of the cell cycle/ mitosis

Answer 2

The 2 full sets if chromosones are pulled either side of the cell and the nucleus replicates

Question 3

What happens in stage 3 of the cell cycle?

Answer 3

Cytoplasm and cell membrane divide to form 2 (daughter) cells

Question 4

What is an adult stem cell

Answer 4

A stem cell from an adult or child and are limited in what they can differentiate into e.g bone marrow into red blood cells

Question 5

What are the advantages and disadvantages of adults stem cells

Answer 5

Adv- safe for donor and fewer ethical issues
Dis adv- wait time for donor and only limited in use

Question 6

What is an embryonic stem cell

Answer 6

A cell from an early human life (embryo) and can differentiate into any type of cell i the human body

Question 7

What are the advantages and disadvantages of embryonic stem cells

Answer 7

Adv- can hale with lots of stuff and usually no donor needed
Dis adv- ethical issues with young life and risk of infection in patient

Question 8

What are plant meristem stem cells

Answer 8

Stem cells from the roots and shoots of a plant and can differentiate into any plant cell and can also clone plants

Question 9

What are the stages of therapeutic cloning