Give the comparison among simple diffusion, facilitated diffusion and active transportation.

Simple Diffusion

Facilitated Diffusion

Active Transport

1. Membrane proteins are not required .

2. It is not selective.

3. Saturation does not occur.

4. It does not occur against concentration gradient.

5. ATP is not required.

1. Membrane proteins are required.

2. It is selective.

3. Saturation occurs.

4. Not against the concentration gradient.

5. ATP is not required.

1 . Membrane proteins are required.

2. It is selective.

3. Saturation occurs

4. Against the concentration gradient.

5. It needs ATP.

171 Views

How does water is absorbed by the roots ? Discuss different pathways for its translocation.

Explain transpiration and photosynthesis are complementary to each other.

Does transpiration bring any useful function in plant ?

Is there a general mechanism to explain opening and closing of stomata? Justify your answer.

Transport in Plants