Question
Active and passive transports across cell membrane differ in
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Text solutionVerified
Option A is correct here.
Active transport is selective for a particular ion and it allows only those ions to pass through it.
example.sodium /potassium channel,calcium channel.
Passive transport is non-selective it occurs along the concentration gradient so this kind of channel allow to transport of many types of ions across the membrane. No, any particularity is there for ions transport.
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Question 2
Which of the following match is incorrect?(i) Diffusion - Movement of substances from higher concentration to lower concentration
(ii) Osmosis - Occurs in only one direction
(iii) Semi-permeable membrane - Prevents passage of solute molecules
(iv) Endosmosis - Withdrawal of water from the vacuole
(v) Plasmolysis - Shrinkage of protoplasm when kept in hypotonic solution
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Question Text | Active and passive transports across cell membrane differ in |
Answer Type | Text solution:1 |
Upvotes | 150 |