1
Plant Sciences, Zoology & Evolution / Re: The Speed of Life
« on: 10/02/2023 19:58:14 »Quote from: alancalverd
ionising radiation can induce defects in nucleic acidsThere are some very hardy critters which can stand high levels of radiation.
Deinococcus survives 5,000 Greys (5 Greys will kill a human)
https://en.wikipedia.org/wiki/Deinococcus_radiodurans#Ionizing-radiation_resistance
5,000 Greys will kill half of tardigrades:
https://en.wikipedia.org/wiki/Tardigrade#Physiology
One reason elephants don't die of cancer at a young age is because they have 20 copies of the P53 gene that detects and destroys cells with DNA damage (compared to 1 in humans).
https://en.wikipedia.org/wiki/Peto%27s_paradox#Evolutionary_considerations
The following users thanked this post: steelrat1