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.
The Delta flight is cheaper. But check a bag at a cost of $25 for the first checked bag each way on Delta, and your total fare climbs to $256 -- more than the cost of the Southwest flight, which includes free first and second checked bags. Add a second checked bag for $35 each way on the Delta flight, and you'll pay a whopping $326.
Delta currently does not charge passengers for checking a first bag on domestic flights. It has said it is studying a decision by several other major carriers to impose that fee. Delta customers checking bags on international flights can check a first and second bag at no charge. Fees are for each extra bag, each way.The fee for checking a third bag on a domestic flight will increase from $80 to $125, while the fee for checking a bag that is between 51 and 70 pounds on a domestic flight will rise from $80 to $90.assengers wait for baggage at Hartsfield-Jackson International Airport, home of Delta Air Lines Inc., Thursday, May 11, 2006, in Atlanta. Delta, the nation's third-largest carrier, reported Thursday a first-quarter loss of $2.1 billion, plunging the beleaguered airline into deeper financial straits.