1. Consider a Maroon cell that has 100 mOsm A inside and 200 mOsm B inside. The
ID: 142438 • Letter: 1
Question
1. Consider a Maroon cell that has 100 mOsm A inside and 200 mOsm B inside. The Maroon cell is placed into a solution of 100 mOsm C and 200 mOsm D.
The cell shrinks.
The cell has water channels.
1a. Could it be that there are no transporters for A, B, C and D for this result? If so explain. Including why any molecule and/or water might move, if they do.
1b. Could it be that there is a transporter for only A for this result? If so explain. Including why this molecule and/or water might move, if they do.
1c. Could it be that there is a transporter for only B for this result? If so explain. Including why this molecule and/or water might move, if they do.
1d. Could it be that there is a transporter for only C for this result? If so explain. Including why this molecule and/or water might move, if they do.
1e. Could it be that there is a transporter for only D for this result? If so explain. Including why this molecule and/or water might move, if they do.
Explanation / Answer
All the answers can be explained by one singke reason that is pressure gradient or Concentration gradient of solute inside the cell and outside the cell. And movement of water occurs from less concentration gradient of solute to more. That is from less dense solution to more dense.
a) yes it is possible. When the inside of cell is less dense as compared to surroundings, the water will move outside and celk will shrink.
b) yes it is possible. If inside is less concentrated than outside, water will move outside.
C) possible. Same as b
D) yes possible. If outside is having more solutes as compared to
Inside.
E) yes. Same reason
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