In the ascending limb of the loop of Henle, sodium ions move out by _____, and chloride ions move out by _____.
A. diffusion, diffusion
B. diffusion, osmosis
C. diffusion, secondary active transport
D. active transport, diffusion
E. active transport, secondary active transport
Ans: D. active transport, diffusion
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In what part of the cell cycle are most of our
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a. G1 b. G2 c. S d. prophase e. telophase
Immigration and __________ permanently affect population size, but __________ does not. Fill in the blank(s) with the appropriate word(s)
Sister chromatids are separating from each other during:
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