Answer:
Sigma factors bind to the promoter region of a particular gene and facilitating the binding of RNA Polymerase to the promoter region (formation of the RNA polymerase holoenzyme complex) in order initiate transcription of the gene.
Put simply - Helps RNA Polymerase do it's job.
Electron-Negative
Neutron-No charge
Proton-Positive
Answer: 60 degrees the front is cold so it would be 60 degrees in Virginia the next day
ExplanationExplanation:
less dense than the interior
Explanation:
you can dig through the crust but not the interior
