15.1 Totipotency and Cell Specialisation

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What is the term that describes cells that have different functions?
Differentiated cells.
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How are the proteins that a cell produces coded for?B
By certain genes being 'switched on'.
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What are totipotent cells?
Cells that can differentiate and become specialised for any particular function.
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What cells are an example of totipotent cells?
Embryonic cells.
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What are the 2 ways in which genes are prevented from expressing themselves?
1- Preventing transcription and hence preventing the production of mRNA. 2- Breaking down mRNA before its genetic code is translated.
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What happens if a cell loses its nuclei once it has matured?
It loses its totipotency.
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What are totipotent cells that exist in mature animals called?
Stem cells.
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Where are stem cells found in mature animals?
the inner lining of the small intestine, in the skin, and in the bone marrow.
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What is growing a cell outside of a living organism called?
in-vitro development.
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How are the proteins that a cell produces coded for?B

Back

By certain genes being 'switched on'.

Card 3

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What are totipotent cells?

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Card 4

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What cells are an example of totipotent cells?

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Card 5

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What are the 2 ways in which genes are prevented from expressing themselves?

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