Biology, 27.01.2020 06:31 bullockarwen
The theory of continental drift proposes that the earth continents may have once been united as a supercontinent but have drifted apart over time. what was the name of the supercontinent?
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Biology, 21.06.2019 20:00
Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle
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Biology, 21.06.2019 20:50
Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?
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Biology, 22.06.2019 10:00
What organ is the first to receive nutrients that have been absorbed from the digestive tract?
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Biology, 22.06.2019 15:30
The most effective way to provide children with safety messages is to
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The theory of continental drift proposes that the earth continents may have once been united as a su...
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