It is the non-living component of the cell, it is secreted and maintained by the living portion of the cell and is found only in plants. What is this structure?
Correct answer: D. Cell wall
- A. Golgi apparatus
- B. Lysosome
- C. Mitochondrion
- D. Cell wall
- E. Ribosomes
Explanation
The cell wall is a non-living component that surrounds the cell membrane in plant cells, bacteria, fungi, and some protists. It provides structural support and protection to the cell. The cell wall is primarily composed of cellulose in plant cells, while in bacteria, it can be made up of peptidoglycan or other substances depending on the bacterial species. The cell wall is secreted and maintained by the living portion of the cell, specifically by the processes occurring within the plasma membrane and the Golgi apparatus. It plays a crucial role in maintaining cell shape, preventing excessive water uptake, and providing mechanical strength to withstand environmental pressures.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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