Enzyme-substrate specificity is a result of which property of the enzyme?
Correct answer: C. Tertiary structure of enzymes
- A. Primary structure of enzymes
- B. Secondary structure of enzymes
- C. Tertiary structure of enzymes
- D. Quarternary structure of enzymes
Explanation
Tertiary structure refers to the overall folding of the entire polypeptide chain into a specific 3D shape. The specific 3-D shape of the active site allows for an enzyme-substrate complex which results in specificity that is a molecular recognition mechanism and operates through the structural and conformational complementarity between enzyme and substrate.
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About Enzymes
Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.
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