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Nucleus
They are dissapeared in prophase.Both are dissapeared in prophase.
the sperm
Metaphase and anaphase.
It is a phenomenon of sublimation (transition of phase from solid directly to a gas).
Nucleus and nucleolus disappear during pro-phase stage of mitosis,to be specific it disappears in late pro-phase stage and reappers during telophase stage of mitosis.
The nuclear envelope disappears during prometaphase.
prometaphase
Nucleus
The nuclear envelope.
S phase
The nucleus is not longer visible as such. It becomes a mitotic figure
They are dissapeared in prophase.Both are dissapeared in prophase.
the sperm
False, No it is the only phase where it disappears. It directly says it comes back in telophase but may be present during all other phases EXEPT prophase.
interphase
Metaphase and anaphase.