Dermal Stem Cells Divide,with Some Cells Continuing the Stem Cell

question 7

Multiple Choice

Dermal stem cells divide,with some cells continuing the stem cell line and others being pushed toward the surface to flatten and die and be sloughed off.In the bone marrow,other stem cells produce cells such as the red blood cells that lose their nucleus and function for a short time before they too die.These cells that reproduce no further

• A)leave the cell cycle in a G₀ phase,which immediately follows telophase.
• B)leave the cell cycle in a G₃ phase,which immediately follows G_2.
• C)halt in the midst of the S phase.
• D)continually cycle but simply fail to go through cytokinesis.

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