AP BIOLOGY

LABORATORY REVIEW

DIFFUSION AND OSMOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one is a hypertonic solution?
A
A solution that contains less solute than another solution
B
A solution that contains the same concentration as another solution
C
The solute concentration is the same inside the cell and outside the cell
D
A solution that contains more solute than another solution
Explanation: 

Detailed explanation-1: -In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is hypertonic, and the solution with the lower solute concentration is hypotonic.

Detailed explanation-2: -If the surrounding solution has a higher solute concentration compared to inside the cell, then it is called a hypertonic solution. Or if the surrounding solution has low solvent concentration compared to the inside of the cell, then it is hypertonic solution.

Detailed explanation-3: -A hypertonic solution has a higher solute concentration compared to the intracellular solute concentration. When placing a red blood cell in any hypertonic solution, there will be a movement of free water out of the cell and into the solution.

Detailed explanation-4: -Hypertonic Solutions. Hypertonic solutions have a higher concentration of dissolved particles than blood. An example of hypertonic IV solution is 3% Normal Saline (3% NaCl).

Detailed explanation-5: -Hypotonic solution A solution is called hypotonic if its osmotic pressure is lower than that of the solution from which it is separated by a semipermeable membrane. A common example of a hypotonic solution is 0.45% normal saline (half normal saline).

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