A patient’s urine is collected for 2 hr, and the total volume is 600 ml during this time. Her urine osmolarity is 150 mOsm/L, and her plasma osmolarity is 300 mOsm/L. What is her “free water clearance”?

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#Question id: 5108

#Unit 5. Developmental Biology

The absence of limbs in snakes may be attributable to the evolution of changes in:

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#Question id: 5200

#Unit 11. Evolution and Behavior

What is the difference between a linkage map and a physical map?

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#Question id: 5201

#Unit 11. Evolution and Behavior

How is a physical map of the genome of an organism achieved?

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#Question id: 5202

#Unit 11. Evolution and Behavior

Which of the following most correctly describes a shotgun technique for sequencing a genome?

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#Question id: 5205

#Unit 11. Evolution and Behavior

Why is it preferable to use large computers and databases in searching for individual genes, rather than testing each sequence for possible function?

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#Question id: 5207

#Unit 11. Evolution and Behavior

Why is it unwise to try to relate an organismʹs complexity with its size or number of cells?