Cell specialisation 0.0 / 5 ? BiologyCellular processesASOCR Created by: Steff06Created 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. 1 of 11 What are the 3 changes involved in differentiation? Number of a particular organelle, shape of the cell, contents of the cell. 2 of 11 What ar all blood cells produced from? Undifferentiated stem cells in the bone marrow. 3 of 11 What change in contents happens when cells are destined to become erythrocytes? Cells lose their nucleus, mitochondria, Golgi apparatus and rough endoplasmic reticulum. 4 of 11 What are blood cells full of and how does their shape change? Full of haemoglobin. Shape becomes biconcave discs. 5 of 11 What changes happen to cells destined to become neutrophils? Cytoplasm appears granular. Lysosoes are produced. 6 of 11 What is the role of neutrophils? To ingest invading microorganisms. 7 of 11 Define tissues A collection of cells similar to eachother to perform a common function. Can be found attached to eachother. 8 of 11 Define organs Collection of tissues working together to perform a particular function. 9 of 11 What are organ systems? Made up of a number of organs working together to perform an overall life function. 10 of 11 What are examples of organ systems? The excretory system an reproductive system. 11 of 11
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