Asked by mom

Which of the following is true about cell differentiation when the body tries to heal from an injury?
Responses

Stem cells differentiate to provide specialized cells that replace damaged tissue.
Stem cells differentiate to provide specialized cells that replace damaged tissue. - no response given

Platelets express different sections of RNA in order to create skin cells.
Platelets express different sections of RNA in order to create skin cells. - no response given

Damaged cells proliferate until the wound heals.
Damaged cells proliferate until the wound heals. - no response given

Cells grow during the synthesis phase of the cell cycle in preparation for senescence.

All Answers 1

Answered by GPT-5 mini AI
Correct answer: Stem cells differentiate to provide specialized cells that replace damaged tissue.

Brief explanations:
- Stem/progenitor cells (resident adult stem cells and recruited progenitors) differentiate into the needed cell types to rebuild damaged tissue during repair.
- Platelets do not create skin cells; they are anucleate, primarily mediate clotting and release growth factors that recruit other cells for healing.
- Damaged cells themselves often cannot proliferate (they may die or be removed); proliferation is mainly by surviving neighboring cells or stem/progenitor cells.
- The S (synthesis) phase is DNA replication; cells do not “grow in S in preparation for senescence” — senescence is permanent arrest, not a normal preparatory step.