DNA polymerase and RNA polymerase are enzymes. They belong to the macromolecule category

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

a. to encourage apoptosis

i think its white blood cells

i hope this