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Give an Example of Diffusion Across Plasma Membrane. - Science

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ConceptWhat is Cell Made up Of? What is the Structural Organisation of a Cell? Plasma Membrane Or Cell Membrane

Question

Give an example of diffusion across plasma membrane.

Solution

Diffusion is the process of movement of molecules from a region of high concentration to a region of lower concentration until an equilibrium is reached.
When concentration of gases such as CO2 gets high in the cell as compared to the external environment, then CO2 moves out of the cell by the process of diffusion via plasma membrane. Similarly, O2 enters the cell by the process of diffusion when its concentration is reduced in the cell.

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APPEARS IN

 P S Verma and V K Agarwal Solution for Class 9 Biology - Science Part 3 (2016 to Current)
Chapter 2: The Fundamental Unit of Life : Cell
Short Answer Questions ( Carrying 2 Marks each) | Q: 8 | Page no. 118
Solution Give an Example of Diffusion Across Plasma Membrane. Concept: What is Cell Made up Of? What is the Structural Organisation of a Cell? - Plasma Membrane Or Cell Membrane.
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