Florida Biology EOC Practice Test

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Prepare for the Florida Biology EOC Test. Use our comprehensive flashcards and multiple-choice questions, complete with hints and explanations, to get ready for your Biology End-of-Course exam!

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Which cell process involves spindle fibers pulling chromatids to opposite ends of the cell?

Anaphase
Interphase
Prophase
Telophase

The correct answer is: Anaphase

The process that involves spindle fibers pulling chromatids to opposite ends of the cell is indeed anaphase. During this stage of mitosis, the sister chromatids are separated and moved toward opposite poles. The spindle fibers, which are part of the apparatus that ensures proper segregation of chromosomes, contract and exert force on the chromatids, thereby facilitating their movement. This is a crucial step for ensuring that each daughter cell receives the correct number of chromosomes following cell division. In contrast, interphase is the phase where the cell prepares for division, prophase involves the condensation of chromatin into visible chromosomes and the formation of the spindle apparatus, and telophase is the stage where the separated chromatids start to de-condense and are enclosed in new nuclear membranes, signaling the near completion of cell division.