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Exam 2 Bioscience

Question:
Mammalian blood contains the equivalent of 0.15 M NaCl. Seawater contains the equivalent of 0.45 M NaCl. What will happen if red blood cells are transferred to seawater?

a. NaCl will passively diffuse into the red blood cells
b. NaCl will be exported from the red blood cells by facilitated diffusion
c. the blood cell will expend ATP for active transport of NaCl into the cytoplasm
d. water will leave the cells, causing them to shrivel and collapse
e. the blood cells will take up water, swell and eventually burst
Answer:
d. water will leave the cells, causing them to shrivel and collapse
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Last update by XXxO__OxXX on 12/16/2012
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Exam 2 Bioscience
Exam 2 Bioscience
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Question: Mammalian blood contains the equivalent of 0.15 M NaCl. Seawater contains the equivalent of 0.45 M NaCl. What will happen if red blood cells are transferred to seawater?a. NaCl will passively diffuse into the red blood cellsb. NaCl will be exported from the red blood cells by facilitated diffusionc. the blood cell will expend ATP for active transport of NaCl into the cytoplasmd. water will leave the cells, causing them to shrivel and collapsee. the blood cells will take up water, swell and eventually burst
Answer: d. water will leave the cells, causing them to shrivel and collapse