UV light does not just create repairable dimers in DNA bases, it can and does rip DNA apart. Enough exposure would cause more than enough irreparable damage to kill the cell and 99% of the cell being destroyed is certainly not salvageable.
Regional service for the airline is served by Delta Connection. Delta typically charges a fee for all checked bags on domestic flights, with most international flights having an allowance of one or two free checked bags per passenger, depending on destination.
Quick Answer. Passengers who fly Delta One, first class and business class on Delta Airlines can check up to two bags of 70 pounds each for free on all flights except for flights to Brazil. On these flights, they can check up to three bags of 70 pounds each for free. Continue Reading.