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: 5353

#Unit 8. Inheritance Biology

Which of following is not a mode of inheritance, but female parents (I-1) carry only normal allele?

A. X link recessive              b. Autosomal recessive

c. Autosomal dominant      d. X- link dominant

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#Question id: 4512

#Unit 3. Fundamental Processes

Some pre-mRNAs can be spliced in more than one way. Thus, mRNAs containing different selections of exons can be generated from a given pre-mRNA, called

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#Question id: 4397

#Unit 3. Fundamental Processes

Which of the following will prevent the activation of RNA polymerase, but not necessarily the assembly of eukaryotic general transcription factors at the promoter?

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#Question id: 12774

#Unit 10. Ecological Principles

Which of the following can contribute to density-dependent regulation of populations?

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#Question id: 2355

#Unit 2. Cellular Organization

Normally, body fluids are ______ to cells.