What is described as the basic unit of life?
A cell
What term is used to describe a cell that is adapted to suit a particular function?
A specialised cell
Describe how a sperm cells structure is suited to perform it’s function.
It has a tail to swim to the egg
Describe how the structure of a red blood cell is suited to it’s function.
It has a bioncave shape to increase surface area, it contains haemoglobin to transport oxygen, it has no nucleus to increase the surface area for haemoglobin.
What term describes a group of cells working towards the same function?
A tissue
What term descirbes a group of different tissues working towards the same function?
An organ
What term describes different organs working towards the same function?
An organ system
What term is used to describe a living thing?
An organism
What is a stem cell?
A cell that can differentiate to form cells that can becoem specialised to carry out different functions and self-renew.
What main processes are stem cells required for?
Growth and development and repair
Wha are the two main sources of stem cells?
Embryonic stem cells and from adult tissues e.g. bone marrow
Which type of stem cells have the potential to become specialised into any type of body cell?
Embryonic
Give one argument against the use of embryonic stem cells.
They are obtained from an embryo, some believe this is wrong as it involves the destruction of a potential life.
Give one argument for the use of stem cells.
They can be used for theraputic and research uses.