The word isotonic is used to refer to the solutions (two solutions) which have the same osmotic pressure in both sides of the semipermiable membrane. The condition allows the free movement of water across the membrane. However, this does not change the concentration of the solution across the membrane.
Hence, osmosis may not occur in this condition.
100 percent because if you do the box method caa would come out in every box
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I think c is the correct answer
If oxygen is not present, glycolysis would be followed by fermentation
