Will a red blood cell undergo crenation, hemolysis, or no...

Will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions?
a. $1 \%(\mathrm{m} / \mathrm{v})$ glucose
b. $2 \%(\mathrm{m} / \mathrm{v}) \mathrm{NaCl}$
c. $5 \%(\mathrm{m} / \mathrm{v})$ glucose
d. $0.1 \%(\mathrm{m} / \mathrm{v}) \mathrm{NaCl}$

Key Concepts

Osmosis

Osmosis is the movement of water molecules across a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. This process is fundamental in cell physiology, where the balance of water movement helps maintain cell shape and function.

Isotonic Solutions

Isotonic solutions are those in which the solute concentration is equal inside and outside the cell. In such environments, water moves at an equal rate in both directions across the cell membrane, resulting in no net change in cell volume or shape.

Hypotonic Solutions

Hypotonic solutions have a lower solute concentration compared to the interior of the cell. When a cell is placed in a hypotonic environment, water enters the cell by osmosis, which can lead to swelling and potentially result in cell lysis or hemolysis, especially in red blood cells.

Hypertonic Solutions

Hypertonic solutions have a higher solute concentration than the inside of the cell. In these conditions, water exits the cell via osmosis, causing the cell to shrink or crenate. This loss of water leads to a decrease in cell volume and can affect cell function.

Hemolysis

Hemolysis is the process where cells, particularly red blood cells, burst due to the influx of water when they are placed in a hypotonic solution. This rupture occurs because the cell membrane cannot withstand the increased internal pressure.

Crenation

Crenation describes the shrinkage of cells, like red blood cells, when they lose water in a hypertonic solution. The cell membrane forms a scalloped or notched appearance because of the significant reduction in cell volume.

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