Explain active and passive transport.
Answer:
Active and passive transport play important roles in supplying oxygen, water, nutrients etc to cells and eliminating waste products.
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ACTIVE TRANSPORT |
PASSIVE TRANSPORT |
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Active transport is required for movement of compounds against the conc. gradient with the help of enzymes and organelles . |
Passive transport is the transport of compounds through a concentration gradient . |
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It requires use of cellular energy . |
It does not utilise any energy from the cell. |
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It is used to gather large, insoluble molecules like amino acids inside the cell in large quantities . |
Occurs till equilibrium is achieved . |
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For Example - It transports sugar , proteins and lipids through protein pumps. |
For Example - Osmosis , Filtration , Diffusion |
