Anaphylaxis: A life-threatening reaction. Peanut allergy is the most common cause of food-induced anaphylaxis, a medical emergency that requires treatment with an epinephrine (adrenaline) injector (EpiPen, Auvi-Q, Twinject) and a trip to the emergency room. Anaphylaxis signs and symptoms can include: Constriction of airways.
Initiation of Transcription in Eukaryotes. Initiation is the first step of eukaryotic transcription and requires RNAP and several transcription factors to proceed.
Summary. The process of copying DNA into messenger RNA (mRNA) is called transcription. Transcription factors assemble at the promoter region of a gene, bringing an RNA polymerase enzyme to form the transcription initiation complex.