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Sagot :
Answer:
When placed in a hypertonic solution, a red blood cell will lose water and undergo crenation (shrivel).
Explanation:
Passive transport is a way that small molecules or ions move across the cell membrane without input of energy by the cell. The three main kinds of passive transport are diffusion (or simple diffusion), osmosis, and facilitated diffusion. Simple diffusion and osmosis do not involve transport proteins. Facilitated diffusion requires the assistance of proteins.
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. For cell transport, diffusion is the movement of small molecules across the cell membrane. The difference in the concentrations of the molecules in the two areas is called the concentration gradient. The kinetic energy of the molecules results in random motion, causing diffusion. In simple diffusion, this process proceeds without the aid of a transport protein. It is the random motion of the molecules that causes them to move from an area of high concentration to an area with a lower concentration.
the consumption of salt water from the beach could lead to dehydration of his red blood cells. water will diffuse from a higher water concentration outside the cell to a lower water concentration inside the cell. red blood cells placed in a solution with lower water concentration will lose water through osmosis and shrink.
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