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.verweight & Oversized Bags. Travelers that want to check more than two bags on a Delta domestic flight should be prepared to pay $125 for the third bag. All subsequent bags cost $200 each. All flights to Europe cost $200 per bag after the second bag.