The physical structure of the capillaries in the nephron ____
a. ensures balanced filtration
b. prevents proteins from filtering into urine
c. allow blood cells to pass readily out of the kidneys
d. hold in salt ions
e. block foreign metabolites from entering the urinary tract
ANSWER: b
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A. 0.25. B. 0.5. C. 0.75. D. 1. E. 1.5.
In vertebrates, which of the following is not a function of calcium?
A. blood clotting B. muscle contraction C. transport of oxygen to the body's cells D. cell membrane permeability E. strengthening of bone
Sex Cells Plants Female
What will be an ideal response?
Imagine a balloon is made from a membrane that's permeable to water but not sucrose molecules
How would the concentration of sucrose inside the balloon be affected if the balloon is filled with a 50% sucrose solution and then placed in a beaker of water? A) The concentration won't change. B) The concentration will decrease. C) The concentration will increase. D) The concentration will increase and then decrease.