Biology, 08.05.2021 02:00 Carrchris021
In sediments and waterlogged soil, dissolved O2 concentrations are so low that the microorganisms living there must rely on other sources of oxygen for respiration. Some bacteria can extract the oxygen in sulfate ions, reducing the sulfur in them to hydrogen sulfide gas and giving the sediments or soil a distinctive rotten-egg odor. What is the oxidation number of sulfur in these compounds
Answers: 2
Biology, 22.06.2019 06:00
Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.
Answers: 2
Biology, 22.06.2019 15:30
Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food
Answers: 1
Biology, 22.06.2019 23:00
Before classifying insects into different orders,review the larger classification for insects: • kingdom: animalia • phylum : arthropoda • class : insecta conduct research online to determine the characteristics an organism must have to be classified in each of the taxonomy levels shown. note the characteristics you find in the answer space.
Answers: 3
In sediments and waterlogged soil, dissolved O2 concentrations are so low that the microorganisms li...
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