Symptoms. Symptoms of a common cold usually appear one to three days after exposure to a cold-causing virus. Signs and symptoms, which can vary from person to person, might include: Runny or stuffy nose; Sore throat; Cough; Congestion; Slight body aches or a mild headache; Sneezing; Low-grade fever; Generally feeling unwell (malaise)
Average revenue per user. From Wikipedia, the free encyclopedia. (Redirected from ARPU) Average revenue per user (sometimes known as average revenue per unit), usually abbreviated to ARPU, is a measure used primarily by consumer communications and networking companies, defined as the total revenue divided by the number of subscribers.
OP-puro, an alkyne puroanalog, is a potent protein synthesis inhibitor. (A) Structure of puro and the analog OP-puro, which bears a terminal alkyne group. (B) Schematic of OP-puro incorporation into nascent polypeptide chains on translating ribosomes.