If there are 10 chromosomes in a particular cell at the start of prophase, how many will be present in the same cell at the end of anaphase, before cytokinesis begins?

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b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.