Multiple Choice
Which stage is the first phase of mitosis (M phase) in a dividing eukaryotic cell?
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16. Cell Division
Mitosis
Multiple Choice
In humans, which type of cell does not undergo mitosis as part of its normal life cycle?
A
Intestinal epithelial stem cells
B
Skin epidermal basal cells
C
Hepatocytes during liver regeneration
D
Mature red blood cells (erythrocytes)
Verified step by step guidance1
Understand the process 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 cell types listed and their typical behavior regarding mitosis: Intestinal epithelial stem cells, skin epidermal basal cells, and hepatocytes are all known to undergo mitosis to replace cells and regenerate tissues.
Recall the characteristics of mature red blood cells (erythrocytes): Mature erythrocytes in humans lack a nucleus and most organelles, which are necessary for mitosis to occur.
Conclude that because mature red blood cells do not have a nucleus, they cannot undergo mitosis as part of their normal life cycle.
Therefore, the cell type that does not undergo mitosis normally is the mature red blood cell (erythrocyte).
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