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.
Each traveler can bring one carry-on bag and one personal item on board, free of charge. We will check any oversized or extra items to your final destination and applicable checked baggage fees will apply. For more information, please see our full carry-on baggage policy.