Answer:
Explanation:
Medicines are chemicals or compounds used to cure, halt, or prevent disease; ease symptoms; or help in the diagnosis of illnesses. Advances in medicines have enabled doctors to cure many diseases and save lives.
enzymes are a biological catalyst that act on molecules called substrates and converts the substrates into different molecules known as products.
a substrate is the material upon which an enzyme acts, can be lipid, protein or carbohydrates.
active site is the region of an enzyme where the substrate will bind and undergo a chemical reaction.
IT is a change of frequency in a genes variant which is called genetic drift. this kind of scenario will result to smaller large population and larger small population :)
Explanation:
medulla oblongata......oks.......