NEET Sample Paper NEET Sample Test Paper-51

  • question_answer Animal cells undergo cytokinesis by-

    A) Furrowing

    B) Cell plate

    C) Both [a] and [b]

    D) Furrowing followed by deposition of special materials

    Correct Answer: A

    Solution :

    Mitosis accomplishes not only the segregation of duplicated chromosomes into daughter nuclei (karyokinesis), but the cell itself is divided into two daughter cells by a separate process called cytokinesis at the end of which cell division is complete. In an animal cell, this is achieved by the appearance of a furrow in the plasma membrane. The furrow gradually deepens and ultimately joins in the centre dividing the cell cytoplasm into two. Plant cells however, are enclosed by a relatively inextensible cell wall, therefore they undergo cytokinesis by a different mechanism.

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