The desmosomes are concerned with
Correct answer: B. Cell adherence
- A. Cell division
- B. Cell adherence
- C. Cytolysis
- D. Cellular excretion
Explanation
In desmosomes, circular patches of cell membranes are held together by interaction of proteins that extend through each membrane into the space between cells. The cell membrane has a dense plate of proteins for mechanical support on the inner side and bears fine filaments, the tonofibrils, radiating into the cell. The desmosomes act as "spot welds" and keep the cells firmly together.
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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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