Answer:
Um????????????????? I'm lost
Explanation: so very sorry
Hi!
Could you please be more specific, so that I can answer your question properly? Layer of what?
Answer:
The reaction of iodine and starch turns the solution blue
Structure A is used for (4) cell communication. The cell membrance has receptros for cell communcation.
Structure B is used to (1) extract energy from nutrients. The mitochondria is the power house of the cell.
Structure C is used for (1) protein synthesis. The golgi apparatus is where protein is created.