Term
| What are the three statements of the cell theory? |
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Definition
| •All living organisms are composed of cells, Cells are the smallest unit of life, Cells come from pre-existing cells |
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Term
| Name the six functions of all life (MS GREN) |
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Definition
| metabolism, sensitivity, Growth, reproduction, excretion, nutrition |
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Term
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Definition
| cells in a multicellular organism develop in different ways by expressing some of their genes but not others. |
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Term
| Define metabolism, in the context of cells. |
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Definition
| In the cytoplasm of cells, large numbers of chemical reactions take place |
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Term
| Name two examples of why the volume to surface area ratio is important. |
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Definition
| 1.Substances move into and out of cells through plasma membrane the surface of the cell.speed depends on surface area. 2. cells can overheat if ratio too small. |
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Term
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Definition
| specialized cells that have the ability to self-renew and differentiate into many different types of cells. |
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Term
| Put in order of what a stem cell will be after differentiating: multipotent, unipotent, totipotent, pluripotent. |
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Definition
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Term
| Name three advantages of using embryoic stem cells for treatment. |
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Definition
Easier to obtain than adult stem cells
Almost unlimited growth potential
Less chance of genetic damage than with adult stem cells
Greater capacity to differentiate into different cell types than adult stem cells |
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Term
| Name three advantages of using adult stem cells for treatment. |
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Definition
No embryo needs to be destroyed
Less chance of malignant tumours developing than with embryonic stem cells
The cells are fully compatible with the tissues of the adult, so no rejection problems occur, whereas embryonic tissue is genetically different from the patient receiving the tissue |
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