Proteins are made of and the sequence of these determine how the protein will fold up and take shape, which ultimately determines it's function.
a. lipids
b. amino acids
c. nucleotides
d. monosaccharides

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