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Biology, 22.06.2019 05:00
Explain the source of radioactivity in uranium in earthโs crust by which it produces nuclear radiation
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Biology, 22.06.2019 06:20
Select the correct answer from each drop-down menu proteins are
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Biology, 22.06.2019 10:00
With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.
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Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
Which characteristic of the male reproductive system is not variable among animal species that repro...