which-statement-best-describes-the-structural-characteristics-of-the-enzymes-act

Question

Which statement best describes the structural characteristics of the enzyme's active site in the lock and key model?

Accepted Answer

The active site is rigid and specifically shaped to fit the substrate.

Answer

The active site is identical to the substrate.

Answer

The active site is non-specific and can bind to any substrate.

Answer

The active site is flexible and adapts to the substrate.