AP BIOLOGY

LABORATORY REVIEW

DIFFUSION AND OSMOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When two solutions have the same concentration of solutes, they are said to be
A
hypertonic
B
hypotonic
C
isotonic
D
i don’t know
Explanation: 

Detailed explanation-1: -In simple words a solution having the same osmotic pressure or same concentration as that of another then the two are called isotonic solutions, or if a solution has the same concentration of salts as that of blood or cell it is called isotonic.

Detailed explanation-2: -An isotonic solution is defined as two solutions of equal concentrations of solutes and water separated by a semipermeable membrane to allow water to move freely in and out of a cell.

Detailed explanation-3: -Solutions of equal solute concentration are isotonic.

Detailed explanation-4: -Solutions that contain the same concentration of water and solutes as the cell cytoplasm are called isotonic solutions.

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