Cell specialisation

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  • Created by: Steff06
  • Created on: 19-05-16 20:14
What does differentiation refer to?
The changes occurring in the cells of a multicellular organism so each different type of cell becomes specialised to perform a specific function.
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What are the 3 changes involved in differentiation?
Number of a particular organelle, shape of the cell, contents of the cell.
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What ar all blood cells produced from?
Undifferentiated stem cells in the bone marrow.
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What change in contents happens when cells are destined to become erythrocytes?
Cells lose their nucleus, mitochondria, Golgi apparatus and rough endoplasmic reticulum.
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What are blood cells full of and how does their shape change?
Full of haemoglobin. Shape becomes biconcave discs.
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What changes happen to cells destined to become neutrophils?
Cytoplasm appears granular. Lysosoes are produced.
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What is the role of neutrophils?
To ingest invading microorganisms.
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Define tissues
A collection of cells similar to eachother to perform a common function. Can be found attached to eachother.
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Define organs
Collection of tissues working together to perform a particular function.
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What are organ systems?
Made up of a number of organs working together to perform an overall life function.
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What are examples of organ systems?
The excretory system an reproductive system.
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Other cards in this set

Card 2

Front

What are the 3 changes involved in differentiation?

Back

Number of a particular organelle, shape of the cell, contents of the cell.

Card 3

Front

What ar all blood cells produced from?

Back

Preview of the front of card 3

Card 4

Front

What change in contents happens when cells are destined to become erythrocytes?

Back

Preview of the front of card 4

Card 5

Front

What are blood cells full of and how does their shape change?

Back

Preview of the front of card 5
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