They train our immune system so it's ready when our bodies are attacked, and they aid in digestion and supply us with vitamins. ... Scientists and doctors can even utilize prokaryotes to help the human body.
Replicate/look exactly like their parent, since they all have the seems genes, and one parent.
Sugar-phosphate backbone with the bases of the complementary base pairs adenine-thymine and guanine-cytosine projecting toward the inside of the backbone.
Estroid hormones are testosterone perogstrone esterogene aldosterone and qurtizol
