Question

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2. In what way is active transport opposite to diffusion?
3. A cell kept in a certain solution bursts after some
time. Comment upon the kind of solution.
4. Which process, diffusion, osmosis or active transport,
needs involvement of energy ?
5. Can we call diffusion passive transport ? If so, how?​

Answer 1

Answer:

Active transport is the passage of substances from its lower concentration to its higher concentration across the semi-permeable membrane using the the energy from the cell, whereas, diffusion is the free movement of molecules of a substance from the region of higher concentration to the region of its lower concentration.