Biology, 27.07.2019 11:30 doritasanchez
Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans, given in milligrams per kilogram of body weight. a rating of supertoxic has an ld50 of
Answers: 1
Biology, 21.06.2019 16:00
You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?
Answers: 2
Biology, 21.06.2019 19:10
Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.
Answers: 3
Biology, 21.06.2019 21:00
In natural selection, what is actually βselected? β a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected
Answers: 2
Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans, gi...
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