Which of the following events characterizes the beginning of anaphase?

Which of the following events occur during prophase of mitosis?

During which phase of mitosis does the nuclear envelope break down?

During which phase of mitosis do the chromosomes line up along the center of the cell?

During which phase of mitosis does the nuclear membrane reappear?

The chromosomes are seen as fully aligned on the cell equator during which phase of mitosis?

During which phase of mitosis do 46 chromatids line up along the equator of the cell?

During prophase I of meiosis, how many chromosomes are present in a human cell?