Biology, 24.07.2019 01:10 quintinjerome
How is the environment affected by a large-scale oil spill? a. large-scale oil spills are the largest contributor to air pollution. b. large-scale oil spills lead directly to wetlands becoming deserts. c. large-scale oil spills are damaging to water quality, aquatic life, and bird populations. d. large-scale oil spills can lead to an increase in sea levels through glacial melting.
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Biology, 22.06.2019 05:00
Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Biology, 22.06.2019 15:40
During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
Answers: 1
How is the environment affected by a large-scale oil spill? a. large-scale oil spills are the larg...
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