Read the following statements carefully: (A) Statins are produced by a yeast, Monascus purpureus, and act as competitive inhibitors for the enzyme responsible for synthesis of cholesterol. (B) Cyclosporin A is produced by a bacterium, Trichoderma polysporum, and is used as an immunosuppressive agent. (C) Aspergillus niger is a fungus used for the commercial production of citric acid. (D) The 'clot buster' enzyme stre

Step-by-step solution

Statement (A) is correct: Statins are produced by the yeast Monascus purpureus and act by competitively inhibiting the enzyme responsible for cholesterol synthesis. Statement (B) is incorrect: Cyclosporin A is produced by a fungus, Trichoderma polysporum, not a bacterium. Statement (C) is correct: Aspergillus niger is a fungus used for the commercial production of citric acid. Statement (D) is incorrect: Streptokinase is produced by the bacterium Streptococcus, not a fungus. Therefore, exactly two statements are co