What is periodic table? why was it developed​

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Diffusion and osmosis are forms of passive transport

What is the difference in the cell cycle between healthy cells and cancerous cells?