It is a tiny structure made up of 9 sets of microtubules placed in groups of three. Hence, they are triplet microtubules.
These triplet microtubules are held together by proteins, giving the centriole its shape.
The centriole microtubules are involved in the transportation of substances that are linked together with a glycoprotein to any cell location. The glycoprotein linkage acts as a signaling unit to move specific proteins.
These are quite common micro-bodies in the cytoplasm of the cell. They are also spherically shaped and bound by a membrane.
They help in lipid metabolism.
They are involved in moving hydrogen atoms from several oxygen molecules to produce hydrogen peroxide. Therefore, they neutralize body poisons like alcohol and help in chemical detoxification.
They are made of strands of filaments that have partial and complete microtubules extending into projections. Partial microtubules do not extend to the tip of the cilium while the complete microtubules extend to the tip of the cilium.
Cilia helps move fluids away from immobile cells.
Cilia are also involved in the movement of surface particles particularly on the epithelial lining of the nostrils, and in moving mucus over the surface of the cell.
Accessory proteins of the actin filaments form surface protrusions called microvilli. They are formed on the surface of the cell membrane.
They aid in increasing the surface area for the absorption of digested food and water in the small intestine.
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