Active transport differs from diffusion in that active tr...
Active transport differs from diffusion in that active transport
is a very fast process
allows the movement of substances against concentration gradient
takes place in both light and dark reaction of photosynthesis
occurs in both plant and animal tissues
Correct answer is B
Diffusion and osmosis depend only on the concentration gradient but active transport works against the concentration gradient.
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The part labelled a in the above diagram is used for ...
Which of the following group of organisms feeds directly on green plants? ...