ANATOMY

GENERAL ANATOMY

INTRODUCTION TO GENERAL ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a cell is placed in a hypotonic solution (less concentrated), water
A
moves from the inside of the cell to the solution
B
moves from the solution to the inside of the cell
C
moves equally in and out of the cell
D
none of these
Explanation: 

Detailed explanation-1: -In hypotonic solutions, there is a net movement of water from the solution into the body. A cell placed into a hypotonic solution will swell and expand until it eventually burst through a process known as cytolysis.

Detailed explanation-2: -A hypertonic solution has fewer water molecules than a hypotonic solution, which have more water molecules. In the presence of a partially permeable membrane, water molecules will therefore move from the hypotonic solution to a hypertonic solution due to the existing differences in the concentration gradient.

Detailed explanation-3: -If placed in a hypotonic solution, water molecule s will enter the cell, causing it to swell and burst.

Detailed explanation-4: -Water moves into and out of cells by osmosis. If a cell is in a hypertonic solution, the solution has a lower water concentration than the cell cytosol, and water moves out of the cell until both solutions are isotonic.

Detailed explanation-5: -If we place a cell in the hypertonic solution like in sugar or salt solution, the cell will shrink. It is because the movement of water takes place from lower solute concentration to higher solute concentration i.e from inside sugar solution to attain equilibrium. It results in shrinkage of the cell.

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