A student compares two different proteins. The student notices that the primary structures differ in both the number of amino acids and the sequence of amino acids. Based on this information, what can the student infer?

The student can infer that the proteins are different and therefore their functions will be different.

Protein are made up of four structural levels, which are: primary, secondary, tertiary and the quaternary structures. The primary structure of a protein refers to the type and the number of amino acids that is present in the protein. The primary structure of a protein determines its secondary structure and the secondary structure determines its tertiary structure. The tertiary structure of a protein determines the functions of the protein.