Fungi includes mushrooms, yeast, and mold. Fungi are multicellular and eukaryotic. They are also heterotrophs, and gain nutrition through adsorption
The answer is the second choice
All living organisms are made of only 20 different aminoacids- this is the correct answer! This means that the genetic code only codes for those 20 aminoacids (for example Glutamine and Lysine).
The 20 aminoacids that can form proteins are also called Proteinogenic amino acids.