👉 The term "metacyclic" refers to a type of protein that has two copies of one amino acid, rather than three. This is known as a metacyclic protein because it has a unique structure and function in comparison to other types of proteins. Metacyclic proteins are found in many different organisms, including bacteria, fungi, and plants. They play important roles in various biological processes such as cell division, energy production, and nutrient transport. Metacyclic proteins can