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.
Passengers on many Delta flights must pay baggage fees to check their bags. The first checked bag for a domestic Delta flight costs travelers $25 as of 2011.elta charges oversize fees to travelers whose bags are larger than the airline's limitations. Delta requires that all checked baggage weighs 50 lbs. or less. Checked bags also must not exceed 62 linear inches.