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Question
The movement of an amoeba is depicted in diagram. Which of the following structure is responsible for the amoebic movement?
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Solution
The correct option is E Cytoskeleton
In Amoeba, pseudopodium is a temporary cytoplasmic projection from the cell. During ameoboid movements, the endoplasm moves in the direction of movement into one or more pseudopdia. At the tip of the pseudopodia, endoplasm is converted into ectoplasm and at the trailing edge ectoplasm is converted to endoplasm. Such contraction of the ectoplasm is caused by the contracting micro filaments and the proteins present in all the eukaryotic cells. This is also known as sol-gel theory, where the sol and gel states interchange in the cytoplasm to allow movements.
Thus, the correct answer is option 'Cytoskeleton'.
In Amoeba, pseudopodium is a temporary cytoplasmic projection from the cell. During ameoboid movements, the endoplasm moves in the direction of movement into one or more pseudopdia. At the tip of the pseudopodia, endoplasm is converted into ectoplasm and at the trailing edge ectoplasm is converted to endoplasm. Such contraction of the ectoplasm is caused by the contracting micro filaments and the proteins present in all the eukaryotic cells. This is also known as sol-gel theory, where the sol and gel states interchange in the cytoplasm to allow movements.
Thus, the correct answer is option 'Cytoskeleton'.
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