Which of the following structures will not be common to a mitotic cell of a higher plant?
Correct answer: A. Centrioles
- A. Centrioles
- B. Spindle fibers
- C. Cell plates
- D. Centromeres
Explanation
Centrioles are absent in the mitotic cells of higher plants, such as gymnosperms and angiosperms. These plants have evolved alternative mechanisms for spindle formation during cell division. In contrast, spindle fibers, cell plates, and centromeres are essential components of cell division in higher plants. Spindle fibers facilitate the separation of chromosomes, cell plates form the new cell wall, and centromeres are critical for chromosome alignment and segregation.
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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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