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Which of these is an environmental cost of tar sands extraction? a. acid rain b. earthquakes c. habitat loss d. oil spills
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Biology, 22.06.2019 10:30
All ova contain sex chromosomes corresponding to: x y xx xy
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Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what
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Biology, 22.06.2019 15:40
Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation
Answers: 1
Which of these is an environmental cost of tar sands extraction? a. acid rain b. earthquakes c. hab...
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