During transcription, in which direction does RNA polymerase move along the DNA template strand?

• A. It moves along the template strand in the $3\prime \to 5\prime$ direction.
• B. It moves along the coding strand in the $3\prime \to 5\prime$ direction.
• C. It moves bidirectionally from the promoter in both $5\prime \to 3\prime$ and $3\prime \to 5\prime$ directions.
• D. It moves along the template strand in the $5\prime \to 3\prime$ direction.

Answer: (A)