Question:
Axoneme having 9 + 2 doublet microtubule arrangement is found in
Axoneme having 9 + 2 doublet microtubule arrangement is found in
Updated On: Jun 14, 2022
- Cilia
- Flagella
- Cillia and flagella
- Centriole
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The Correct Option is C
Solution and Explanation
Cilia and flagella are extensions that arise from the cell membrane. Flagella are longer than cilia. Both structures are responsible for cell motility. The microscopic features of these two structures are also very similar. The central core is known as axoneme. These show nine pairs of microtubules that are arranged peripherally and one pair of microtubule is also seen in the centre. This is $9+2$ arrangement. The central tubules are connected to some peripheral tubules by means of a sheath.
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Concepts Used:
Cell: The Unit of Life
- A cell is derived as the functional and structural unit of life. Every cell is surrounded by a cell membrane that dissects the external and internal environments of the cell. The interior environment of a cell is called the cytoplasm.
- It carries cellular machinery and structural elements. The nucleus is present in the center of the cell, which includes all the hereditary information of an organism. Some of the molecules present in the cell are protein, carbohydrates, starch, and sugar.
Read More: Fundamental Unit of Life: Cell
Parts of Cell:
The different parts of a cell and their functions are as follows:
- Cell Membrane
- Cell Wall
- Nucleus
- Cytoplasm
