Recent content by PedroAndrade

Thank you very much alxm! You stopped my day from becoming the new season of 24.:smile:

Hi! In my lab we're preparing a toxicity bioassay using nitrate (NO3-) as the test toxicant. The tests we're doing are range-finding tests, to help determine the lethal concentration (LC50) for that species with nitrate. We are following the lead of another work...

Not sure if I'm saying anything really wrong, but meiosis as a process could have "descended" from mitosis. It's more parsimonious for this process to emerge from a pre-existing one, rather than being a new thing altogether, and so keeps some of its trademarks (in this case, DNA replication).