After Analyzing All the Structures of Proteins Found in the Protein

question 41

Essay

After analyzing all the structures of proteins found in the Protein Data Bank,scientists have found that four general classes of protein structures exist,based on their secondary structure themes.Name the four classes of general protein structures.

---

Definitions:

Worker's Output

The quantity of goods or services produced by an employee within a certain period of time.

Corporation

A legal entity that is separate and distinct from its owners, who are shareholders, and is authorized to act as a single entity, legally endowed with rights and responsibilities.

Accounting Profit

The total revenue of a firm minus the explicit costs directly tied to those revenues.

Economic Profit

The difference between total revenues and total costs, including both explicit and implicit costs.