What's the difference between purine and pyrimidines? - Purines contain two carbon-nitrogen rings and four nitrogen atoms - Pyrimidines contain one carbon-nitrogen ring and two nitrogen atoms Why do purines bond with pyrimidines in the DNA ladder? They are opposite poles and have the same number of hydrogren bonds
Depending on the weight of the bag, the costs of an overweight bag is going to range anywhere from as little as $50 to as much as $200 or more. For example, with United Airlines, overweight bags are going to cost $100 to $200 depending on how many pounds over the limit they are. The following is a chart showing the overweight luggage fee for popular airlines as of 2013:
Oversize bags: $200 (up to $200 on some international routes). Pet fee: $125 in cabin; Checked pets-check current rates here. Frequent Flier/Mileage Plus Fees. Last-minute ticketing: $75 if booked within 21 days of departure (Free to $50 for frequent flyer members with status).irst checked bag fee: $25. Second checked bag fee: $35. Additional bags fee: $150 each (up to $200 on some international routes). Overweight bags: $100 51-70lbs; $200 71-100lbs (up to $400 on some international routes).