Is important to the transmission of nerve impulses. a) Zinc
b) Calcium
c) Sodium
d) Iron
Please help thx

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

What advantages does a pedigree have over a written passage?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water