Specialised Cells 0.0 / 5 ? BiologyCells, tissues and organsGCSEAll boards Created by: kiwi90Created on: 01-03-23 18:20 What is a specialised cell? A cell that has specific features or adaptions to perform a particular job. 1 of 12 Describe how a sperm cell is adapted. Tail/flagellum – for locomotion/movement Acrosome – to digest the egg cell surface Many mitochondria – for respiration to release energy to swim to the egg 2 of 12 Describe how the muscle cell is adapted. Many mitochondria for respiration to release energy to the muscle for contraction 3 of 12 Describe how the root hair is adapted. Hair/projection – to increase the surface area to absorb more water/nutrients No chloroplasts – not needed to photosynthesise 4 of 12 Describe how a nerve cell is adapted. Long axon – to carry messages long distances. Many dendrites - to make may connections 5 of 12 Describe how a xylem cell is adapted. Dead, hollow cells that form a tube. Lignin for the strength and to withstand water pressure 6 of 12 Describe how a phloem cell is adapted. Live cell, contains sieve plates to distribute sugar evenly across the body 7 of 12 Describe how a red blood cell is adapted. No nucleus and biconcave to increase the surface area in order to carry more haemoglobin which binds the oxygen. 8 of 12 What is cell differentiation? When a cell becomes a specialised cell. 9 of 12 When do most cells differentiate in an animal? Embryonic Stage 10 of 12 When do cells differentiate in a plant? They can differentiate throughout their life time 11 of 12 In mature animals what is the cell differentiation used for? Repair of damaged tissues or cells. 12 of 12
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