artile same as this
Nutella is fine, but it seems to me there is another important aspect to diffusion that he did not discuss. During embryological development chemicals diffuse from specific cells, and the concentration of the gradients of those chemicals act in turn as signals for further development. As an example, consider people having five fingers on their hands. As the fingers begin growing within the embryo’s hand, the strength of the concentration determines which finger will grow at a specific location. If a mutation causes “too much” chemical to defuse, the gradient is felt over a wider area, and the embryo ends up with six fingers instead of five.
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During embryological development chemicals diffuse from specific cells, and the concentration of the gradients of those chemicals act in turn as signals for further development. As an example, consider people having five fingers on their hands.
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Diffusion is the process in which molecules and ions move from a region of high concentration to low concentration. Its also how cells transport waste out of the cell and nutrients into it hence being very crucial. Diffusion also occurs without the expenditure of extra energy using a procedure know as passive transport. (Osmosis is a form of diffusion but dealing with water exclusively).
Examples of where diffusion is important;
In the intestines - Digested food molecules such as amino acids and glucose moves down the concentration gradient from the intestine into the bloodstream. Wastes such as carbon dioxide or urea travel via diffusion from the bodies cells to the bloodstream.
In the lungs - Oxygen moves from higher concentration (in the air sac) to lower concentration (into the blood).
I guess the main points to remember is that diffusion is important to the survival organisms as it allows nutrients to enter the cell and wastes to leave it.
that is ur correct answer
Examples of where diffusion is important;
In the intestines - Digested food molecules such as amino acids and glucose moves down the concentration gradient from the intestine into the bloodstream. Wastes such as carbon dioxide or urea travel via diffusion from the bodies cells to the bloodstream.
In the lungs - Oxygen moves from higher concentration (in the air sac) to lower concentration (into the blood).
I guess the main points to remember is that diffusion is important to the survival organisms as it allows nutrients to enter the cell and wastes to leave it.
that is ur correct answer
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