Question

How many levels of structure are found in proteins?

Answer 1

Primary, secondary, tertiary and quaternary are found in proteins.

Explanation:

Although, proteins are the long chains of amino acids. But structures of the proteins describe very complex meanings. The primary proteins i.e., long chains of amino acids modified into different manners and yield three more structures. So, the proteins are of following four types-
1. Primary,
2. Secondary,
3. Tertiary and
4. Quaternary.