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In eukaryotes the plasma membrane is attached to the rest of the cell by the...?
What does the cytoskeleton do?
- Provides mechaincal support and shape to cells
- Governs the location of membrane bound organelles and other cell components
- Provides the ability of cells to move (flagella, cilia and pseudopodia all rely on the cytoskeletal activity)
The cytoskeleton is a network of protein fibres including _______ which extends through the cytosplasm?
What are microtubules?
Straight, hollow polymer rods made of globular proteins called alpha and beta tubulin
What are microtubules used for during mitosis and meiosis?
Making spindle fibres
Where do the microtubules radiate from?
In animal cells the _______ found in the centrosome is the site of microtubule synthesis?