Question

Why the nucleus can’t be seen at end of prophase in eukaryotic cell?

Is it because the nucleus breaks down or nuclear membrane and why? Please

Answer 1

The nucleus can't be seen at the end because the nucleus envelope breaks down and nucleus disappears

Explanation :-

** chromosomes contract , spiral and becomes visible even in light microscope and nucleoli becomes smaller(material to chromosomes)

** chromosomes split length wise to form chromatids connected by centromeres

** nuclear membrane breaks down

** nucleus disappears