Proteins: Structure and Functions · NCERT Biology

Which type of protein structure is represented by a three-dimensional view that is absolutely necessary for many biological activities, such as enzymatic catalysis?

  1. Primary
  2. Secondary
  3. Tertiary
  4. Quaternary
Show answer and explanation

Correct answer: Tertiary

Tertiary structure involves the folding of the polypeptide chain upon itself like a hollow woolen ball. This 3D shape creates active sites for enzymes to function.

Difficulty: Medium Question 5 of 20

Practice all 20 Proteins: Structure and Functions questions

Keep practicing

More Proteins: Structure and Functions questions