A drug that blocks the NaCl cotransporter on the cortical collecting duct apical membrane will have what effect on urinary sodium and water loss?

a. Urinary sodium and water output will decrease.
b. Urinary sodium and water output will increase.
c. Urinary sodium output will increase but water output will decrease.
d. Urinary sodium output will decrease but water output will increase.


Answer: b. Urinary sodium and water output will increase.

Biology & Microbiology

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Fundamental similarity due to descent from a common ancestor is called

A. homology. B. analogy. C. commonality. D. convergence. E. analogy and convergence are correct.

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Which individual proposed the same idea as

Darwin after studying the wildlife in the Amazon basin?

a. Cuvier b. Lyell c. Lamarck d. Aristotle e. Wallace

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Organisms such as oysters or fish that produce millions of eggs per year may be characterized as:

a. r-selected and having a type I survivorship curve. b. K-selected and having a type I survivorship curve. c. r-selected and having a type II survivorship curve. d. K-selected and having a type II survivorship curve. e. r-selected and having a type III survivorship curve.

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For a protein to enter the endoplasmic reticulum as part of the endoplasmic reticulum's lumen or part of the endoplasmic reticulum's membrane:

a. The messenger RNA goes directly to the ER. b. A ribosome binds to the mRNA and a short stretch of protein is synthesized that contains a signal sequence. c. Ribosomes at the endoplasmic reticulum bind to the protein d. Is a random event and one day the protein could go to the ER and on another day the same protein could associate with a free polyribosome. e. None of the above.

Biology & Microbiology