Biology, 01.07.2020 15:01 shayhiddinovxasan93
In the modern periodic table, find the element named lead (Pb). How many protons do atoms of lead have? To which class of elements does lead belong?
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Biology, 22.06.2019 12:10
26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?
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Biology, 22.06.2019 15:30
Por qué crees que los huevos con cáscara se llaman amnióticos?
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Biology, 22.06.2019 16:30
You will create a molecular clock model for an arthropod gene. follow these guidelines to make your model: . your timeline will span from 90 million years ago to the present. the common ancestor in your model is an arthropod that lived 90 million years ago. the gene that you'll track codes for a protein in the species venom . the dna sequence youll track contains 10 nitrogen bases. you can choose the order of the bases and where the mutations occur. this gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. to build your model,/ calculate the estimated time period it takes for 1 base pair to mutate. the first time period will only show the common ancestor. at the beginning of the second time period, three lineages will diverge from the common ancestor, each with a different mutation in their gene sequences. the first and third descendant species will survive for the rest of the timeline. the second descendant species was extinct 50 million years ago. calculate how long it will take for one full base pair mutation to occur. explain your reasoning by constructing a mathematical equation
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Biology, 22.06.2019 20:00
Which phrase best describes the main goal of a human community
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In the modern periodic table, find the element named lead (Pb). How many protons do atoms of lead ha...
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