VCE Biology Chapter 4
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10 Terms
G1
increasing the volume of its cytosol, synthesising proteins for DNA replication, replicating its organelles
S
cell replicates its DNA turning one chromosome into two genetically identical sister chromatids which are tied together via centromere in the middle
G2
increasing the volume of the cytosol, synthesising proteins in preparation for mitosis
interphase
cellular growth and duplication of chromosomes
mitosis
separation of sister chromatids and the formation of two new nuclei
cytokinesis
division of the cytoplasm and formation of two daughter cells
Prophase
nuclear membrane and nucleolus disappear, chromosomes condense, centrioles go to the opposite poles of the cell and begin creating spindle fibres
Metaphase
spindle fibers fully form and attach to the centromere of each chromosome, guides chromosomes to the middle of the cell where it lines up
Anaphase
spindle fibres contract, splitting the centromere and pulling sister chromatids to opposite ends of the cell.
Telophase
chromosomes densely pack together at opposite ends of cell, new nuclei form, spindle fibres disintegrate, chromosomes decondense