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Biology, 22.06.2019 14:00
Which material is commonly used as a culture medium for living cells
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When making her coffee, mrs. jenkins likes to stir in some cream and sugar to give it a pleasant flavor. the ingredients, when combined like this, form a
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Biology, 22.06.2019 20:50
Assume that you are interested in separating short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range. you have two recipes for making your polyacrylamide gels: one recipe uses 1.5 percent agarose and would be considered a βhard gel,β while the other uses 0.5 percent agarose and would be considered a loose gel. which gel should you use to separate the short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range?
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Biology, 23.06.2019 08:30
Which type of transport takes place when a protein allows an ion to enter a cell without using energy ?
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Technology has helped scientists in all of the following ways except...
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