Pyranose rings are usually most stable when the ring adopts a ________ conformation with the bulkiest ring substituents in ________ positions.

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#Question id: 18369

#12. Applied Biology

The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by 

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#Question id: 8721

#9. Diversity of Life Forms

Based on cladistics, which eukaryotic kingdom is polyphyletic and, therefore, unacceptable?

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#Question id: 8964

#9. Diversity of Life Forms

Phylogenetic trees are best described as

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#Question id: 21391

#12. Applied Biology

Which one of the following biosensors is also known as a piezoelectric device?

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#Question id: 8889

#9. Diversity of Life Forms

What would be the most effective method of reducing the incidence of blood flukes in a human population?