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MC - Cells
Multicellular Organisms - Specialised and Unspecialised cells.
Question | Answer |
---|---|
What two functions are stem cells involved in? | Growth and Repair |
Which two types of cells can stem cells divide to create? | Specialised cells and new stem cells. |
Stem cells create new stem cells through a process called | Self-renewal |
What are the two types of stem cells called? | Embryonic and Tissue stem cells |
Which type of stem cell is found in the embryo? | Embryonic stem cells |
Which type of stem cell is found in the body? | Tissue stem cells |
State one location of tissue stem cells in the body. | Bone Marrow |
What is the ethical issue associated with using embryonic stem cells | It destroys the embryo |
What is the hierarchy of organisation? | Cells, Tissue, Organ, Organ system |
What is the definition of an organ system? | Groups of organs working together. |
What is the definition of a tissue? | Groups of cells with the same function working together. |
What is the specialisation of a red blood cell? | No nucleus, Biconcave, Contains haemoglobin |
What is the function of a red blood cell? | Carries oxygen around the body |
What is the specialisation of a sperm cell? | Has a tail to swim |
What is the function of a sperm cell? | Fertilise the egg |
What is the specialisation of an egg cell? | Has a food store |
What is the function of an egg cell? | Provides nutrients for the embryo |