What happens in interphase mitosis?
Mitosis and interphase are the two parts of the cell cycle of eukaryotic cells. Mitosis is the process of nuclear division, which is followed by cytokinesis (actual cell division). In the interphase, the period between two nuclear divisions, the cells are prepared for the coming mitosis.
What happens in the prometa phase?
1 Definition Prometaphase is an intermediate stage of mitosis, located between prophase and metaphase. It is characterized by the complete disappearance of the nuclear envelope, allowing the chromosomes to attach to the spindle microtubules.
What happens in the g2 phase?
In the G2 phase, synthesis of RNA and cell division-specific proteins takes place and further growth occurs. The cell rounds out, enlarges by absorbing fluid and prepares for the next mitosis.
What happens in cytokinesis?
Cytokinesis is the technical term for cell division. Cytokinesis is a process at the end or following mitosis, the division of the nucleus. During cytokinesis, the cytoplasm in the two daughter cells is spatially separated from one another by a new cell wall and a new cell membrane.
What is the equatorial plane?
In a figurative sense, this term is also used in biology. Here, the equatorial plane, also called the equatorial plate or metaphase plate, denotes the imaginary “middle” of the cell. In metaphase, chromosomes gather at mitosis and tetrads gather at meiosis I at the equatorial plane.
What does the spindle apparatus do?
Spindle apparatus, division spindle, designation for the structure that forms at the beginning of mitosis and meiosis, which ensures that the chromosomes are arranged in the equatorial plane of the spindle and that the chromatids or chromosomes are transported to the nuclear poles.
What is a karyogram?
A karyogram (Greek ϰάρυον káryon ‘nut, fruit core’ and γράμμα grámma ‘written’) is the ordered representation of all chromosomes of a cell. Karyograms are created to determine the karyotype, i.e. the chromosome composition of an individual.
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