Florida Biology EOC Practice Test

Question: 1 / 400

What structures form during cytokinesis in plant cells but not animal cells?

Centrioles

Cell plates

The correct answer is that cell plates form during cytokinesis in plant cells, which is a distinct characteristic of their cell division process. In plant cells, cytokinesis involves the formation of a cell plate that develops in the middle of the dividing cell. This cell plate eventually becomes the new cell wall that separates the two daughter cells.

In contrast, animal cells undergo cytokinesis by forming a cleavage furrow that pinches inwards to separate the cells. This difference is due to the presence of a rigid cell wall in plant cells, which necessitates the formation of a new cell wall during division, while animal cells can simply pinch in to divide.

Understanding this process highlights how plants and animals have evolved different mechanisms to achieve cell division, reflecting their distinct structural and functional needs.

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Chromatids

Spindle fibers

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