The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Enzymes help by:   (A) Lowering the activation energy   (B) Increasing the substrate concentration   (C) Decreasing the surface tension   (D) Increasing the activation energy
['(A) Lowering the activation energy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Lowering the activation energy \n (B) Increasing the substrate concentration \n (C) Decreasing the surface tension \n (D) Increasing the activation energy <> possible answers', '  Enzymes help by: <> context@']