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:
Overweight baggage is also charged on a flat-fee basis, rather than per kilogram, so even being overweight be 3 or 4 lbs may incur a fee of up to $75. On some routes, Delta has incremental fees, usually of $75 if your bag weighs between 51-70lbs (23-32kg), and $200 if between 71-100 lbs (32-44kg).dditional bags will be charged flat rates depending on your specific route, with rates ranging from $125/bag up to $285/bag. Delta has some of the harshest extra bag fees in the industry, so be sure to carefully read and understand the limits for your flight.