Scelta multipla
In mitosis, which phase is the final stage of the process (before cytokinesis) when chromosomes reach the poles and nuclear envelopes reform?
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16. Cell Division
Mitosis
Scelta multipla
In which type of cells does mitosis primarily occur in multicellular eukaryotes?
A
Prokaryotic cells during binary fission
B
Only mature red blood cells (erythrocytes)
C
Somatic (non-reproductive) cells
D
Germ cells that undergo meiosis to produce gametes
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Understand the definition of mitosis: Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Identify the types of cells in multicellular eukaryotes: These include somatic cells (all body cells except reproductive cells) and germ cells (which undergo meiosis to produce gametes).
Recall that prokaryotic cells do not undergo mitosis; instead, they divide by binary fission, a different process.
Recognize that mature red blood cells (erythrocytes) in many animals lack nuclei and do not divide, so mitosis does not occur in them.
Conclude that mitosis primarily occurs in somatic (non-reproductive) cells to enable growth, repair, and maintenance of tissues.
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