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प्रश्न
In a passive transport across a membrane, when two different molecules move in opposite direction and independent of each other, it is called as ______.
उत्तर
In a passive transport across a membrane, when two different molecules move in opposite direction and independent of each other, it is called as antiport.
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संबंधित प्रश्न
Active Transport and Diffusion [Significance in plants]
Name the following :
The wax-like layer on the epidermis of leaves which reduces transpiration.
Lenticels or stomata (Which one remains open always ?)
Name the plant tissue which helps in carrying the food to different parts of a plant.
Fill in the blank with the suitable term given below:
The leaves have more__________ on their lower surface.
Which experiment demonstrates the transport of food material in plants by phloem?
Active transport involves ______
The process for which energy is required is ______.
Define the following term:
Active transport
Three cylinders of potato were carefully dried on blotting paper and weighed. Each piece weighed 3 grams. Each one was placed in the beaker as shown below:
Answer the following questions:
- After 48 hours, which potato cylinder would be the heaviest?
- The movement of which substance is mainly responsible for the weight change in the potato cylinders?
- Name and define the process which is responsible for the movement of the substance mentioned in answer (b).
- Write specific names of the processes which occur in beakers B and C. [kinds of processes defined in answer (c)].
- Would there be any difference in the weight of the potato cylinder in beaker A after 48 hours? Give reason.
