In making pickles, a cucumber is placed in a concentrated salt solution. Explain

Question

In making pickles, a cucumber is placed in a concentrated salt solution. Explain what happens to the cucumber when it is left in the salt solution for some time. Why is it important that cell membranes are semipermeable? Indicate the compartment (A or B) that will increase in volume for each of the following pain of solutions separated by a semipermeable membrane: Indicate whether a red blood cell will undergo hemolysis, or no change in each of the following: 10%(m/v) NaCl ___ 2%(m/v) glucose ___ H_2O ___ 5%(m/v) glucose ___

Explanation / Answer

Q1.

the cucumber will dehydrate, since the salt will go inside the cucumber and the liquid water/solution will go to the outside solution, in roder to make equal gradients of concentrations

Q2

it is important so they can accept and contian liquids/ions

in this exercise, you will see that some ions are now inside the cucumber and backwards.

Q3

a)

10% solution starch will incrase the volume, since it is more concentrated

b)

5% albuimin

c)

8% sucrose, since it is higher concentrated

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