What substances are used up as the reactants in cellular respiration?
o 02 and h20
o 02 and c& h1206
o coz and c6h1206
o coz and h20

is this a psat question, if so do not cheat try your best.

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a