It suggests that the bone will have equal strength in all directions.
<span>Damaged dna is excised by endonuclease.
Three excision repair pathways exist to repair single stranded DNA damage: Nucleotide excision repair (NER), base excision repair (BER), and DNA mismatch repair (MMR).</span>
Just like how mitosis sorta sounds like toe, I guess you can say "My Toe ill" to remember that mitosis is the repairing of cells.
Well they can begin as cosmic rays colliding with water molecules to create clouds. Hope this helps :)