The perimeter of two squares are 40 cm and 24 cm. The perimeter of a third square , whose area is equal to the difference of the area of these squares, is

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#Question id: 18756

#Unit 13. Methods in Biology

If mixed oligonucleotides are used, it is regarded as ______________

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#Question id: 12140

#Unit 10. Ecological Principles

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________. 

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#Question id: 2408

#Unit 2. Cellular Organization

When chiasmata can first be seen in cells using a microscope, which of the following processes has most likely occurred?

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#Question id: 10609

#Unit 10. Ecological Principles

The observation that members of a population are uniformly distributed suggests that

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#Question id: 18663

#Unit 13. Methods in Biology

When a protein exists in mono-, di- and tri-phosphorylated forms. The difference of a couple of phosphate groups has no significant effect on the overall relative molecular mass of the protein, hence a single band on SDS gels, but the small charge difference introduced on each molecule can be detected by