what evidence does this model provide about cell specialization? specialized cells have a unique structure…

what evidence does this model provide about cell specialization? specialized cells have a unique structure and function from that of the stem cell. specialized cells can change back into stem cells and retain the same structure and function. specialized cells can change back into stem cells with a new structure and function. specialized cells retain the same structure and function as the stem cell.

what evidence does this model provide about cell specialization? specialized cells have a unique structure and function from that of the stem cell. specialized cells can change back into stem cells and retain the same structure and function. specialized cells can change back into stem cells with a new structure and function. specialized cells retain the same structure and function as the stem cell.

Answer

Brief Explanations:

To determine the correct answer, we analyze each option:

  • Option 1: Specialized cells (like muscle, nerve, etc.) develop from stem cells and have unique structures/functions distinct from stem cells. This aligns with cell specialization (differentiation), where cells take on specific roles.
  • Option 2: Specialized cells generally do not revert to stem cells, and they don’t retain the same structure/function as stem cells. Eliminate.
  • Option 3: Specialized cells don’t typically revert to stem cells, and if they did, the structure/function would not be “new” in a way that contradicts specialization. Eliminate.
  • Option 4: Specialized cells have different structures/functions than stem cells (they specialize), so this is incorrect. Eliminate.

Answer:

A. Specialized cells have a unique structure and function from that of the stem cell.