The wall of which of the following is thick and elastic. Single choice. Vein

Arteries

Capillaries

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

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.

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material