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?

Answer 1

According to the data given above, without any doubts I can say that the thing that will happen if red blood cells are transferred to seawater is that water will leave the cells, causing them to shrivel and collapse. 

Answer 2

Below are the choices. 

A) Water will leave the cells, causing them to shrivel and collapse
B) NaCl will be exported from the red blood cells by facilitated diffusion
C) The blood cells will take up water, swell, and eventually burst
D) NaCl will passively diffuse into the red blood cells
E) The blood cells will expend ATP for active transport of NaCl into the cytoplasm

The answer is A) Water will leave the cells, causing them to shrivel and collapse