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AIIMS2011BotanyTransport in Plants

In active transport, carrier proteins are used, which use energy in the form of ATP, to

Options

  1. Atransport molecules against concentration gradient of cell wall.
  2. Btransport molecules along concentration gradient of cell membrane.
  3. Ctransport molecules against concentration gradient of cell membrane.
  4. Dtransport molecules along concentration gradient of cell wall.

Correct answer

C. transport molecules against concentration gradient of cell membrane.

Step-by-step solution

In active transport, carrier proteins which are located at membrane, use energy in the form of ATP to transport molecules ag ainst concentration gradient of cell membrane. Transportation rate reaches maximum when all carrier proteins are being used or are saturated. These proteins are very specific to certain substances and are sensitive to inhibitors.

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