In what phase of mitosis are chromosomes moving toward opposite sides of the cell?

Anaphase

Explanation:

Before the mitosis process (where cells multiply creating two new daughter cells from a single cell) chromosomes are replicated and remain attached to their replicates, then they are condensed forming microtubules as they align on the metaphase plate. Now the sister chromatids (replicates) begin to separate to the opposite poles due to the action of the spindle in anaphase (You can observe this in the image I added). Then telophase begins when the nuclear envelope forms back again and chromosomes begin to unroll.

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i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

correct answer: false

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hence, the correct answer would be false.