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:
Delta Airlines Oversize/Overweight Baggage Fees 2015 â Back to Top Excess/Oversize/Overweight Summary Additional bags will be charged flat rates depending on your specific route, with rates ranging from $125/bag up to $285/bag.elta Airlines Checked Baggage Allowance 2015 â Back to Top Checked Baggage Summary Delta has quite complex checked baggage rules, with different rules depending on your airline loyalty status, the route you're travelling on, and the seat class you will be flying in.