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: 3040

#2. Cellular Organization

Which of the following is electron source for lithotrophs microorganisms?

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#Question id: 11915

#10. Ecological Principles

Which of the following is the correct prediction about the three types of model such as; Facilitation, Inhibition, Tolerance model.

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#Question id: 319

#1. Molecules and their Interaction Relevant to Biology

London dispersion forces are attractive forces that arise due to

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#Question id: 24242

#Aptitude

It is well known that the world urgently needs adequate distribution of food, so that everyone gets enough. Adequate distribution of medicine is just as urgent. Medical expertise and medical supplies need to be redistributed throughout the world so that people in emerging nations will have proper medical care.

 This paragraph best supports the statement that

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#Question id: 3441

#11. Evolution and Behavior

Animals tend to maximize their energy intake-to-expenditure ratio. What is this behavior called?