Transcription and RNA Processing

ID #2349

During the transcription process, the RNA polymerases slide along DNA, does the process of sliding along DNA strands need energy?

The answer to your question is complicated because some of the energy needed to do the sliding comes from the release of the pyrophosphate (PPi) during addition of the next nucleotide, but this sliding process can also be influenced by other factors including stalling sequences that can be present in the DNA. 
In other words, you don't have to understand that detail for this class. Just focus on the sources of energy and energy requirements for the RNA polymerase that were discussed in lecture. 

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