Indicate true (T) and false (F) descriptions below regarding the nucleotide excision repair pathway. Your answer would be a four-letter string composed of letters T and F only, e.g. FFFF. ( ) It involves recognition of distortions in the DNA double helix rather than specific base changes. ( ) It involves endonucleolytic cleavage and helicase-mediated strand removal. ( ) It involves cleavage by the AP endonuclease. ( ) It is coupled to the DNA transcription machinery of the cell.