Which of the following statements about α-amanitin, a toxin that inhibits transcription by binding to RNA polymerase, is incorrect?

• A. It has low specificity and affinity for RNA polymerase.
• B. It is a toxic compound.
• C. It is obtained from the mushroom Amanita phalloides.
• D. It prevents nucleotide incorporation and thus RNA synthesis.

Answer: (A)