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10 Cards in this Set
- Front
- Back
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What is it called when a stem cell turns into a specialised cell? |
Differentiation |
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How do stem cell reproduce? |
They divide to form lots more stem cells |
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Where can you find human stem cells? |
In human embryos and bone marrow |
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Why are some people against stem cell research? Why do some people say it's ok? |
Because an embryo is a potential human life. However, most of the embryos are unwanted and come from fertility clinics, so would die anyway. They might as well go towards saving a life. |
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What are some medical uses of stem cells? |
They can cure paralysis. They can be used to make insulin producing cells for people with diabetes |
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Where can you get stem cells from a plant? |
The meristem |
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What can you use plant stem cells for? |
You can clone plants. This is useful for farmers, as they can clone the stronger crops. Scientists can clone a species to stop it becoming extinct. |
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What is the definition of diffusion? |
The spreading out of particles from an area of high concentration to an area of low concentration. |
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What is osmosis? |
Osmosis is the flow of water molecules across a partially permeable membrane, from a region of high water concentration to a region of low water concentration. |
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What is active transport? |
When a cell uses energy to move substances against the concentration gradient |
