Which one of the following is the main reason that a typical eukaryotic gene is able to respond to a far greater variety of regulatory signals than a typical prokaryotic gene or operon?
(a) Eukaryotes have three types of RNA polymerase.
(b) Eukaryotic RNA polymerases require general transcription factors.
(c) The transcription of a eukaryotic gene can be influenced by proteins that bind far from the promoter.
(d) Prokaryotic genes are packaged into nucleosomes.
Answer: C