Biology, asked by sudhamsh1, 1 year ago

what are factors affecting diffusion across membranes?

Answers

Answered by Yashk7
2
Membrane thickness.,,,temperature and pressure,, concentration gradient,, and surface area... The amount of substance

sudhamsh1: i think so it's not surface area but it is surface area to volume ratio
PriyankaTiwari2004: It is surface area
Answered by PriyankaTiwari2004
3


RATE OF DIFFUSION ACROSS THE MEMBRANE 

branch CELLS

Coming fromPASSIVE TRANSPORT

Leading toSURFACE AREA TO VOLUME RATIO

Factors affecting the rate of diffusion across a cell membrane:

Membrane Thickness:

For Nutrients to diffuse into a cell they must traverse the cell membrane. Cell membranes are extremely thin to allow for the diffusion of materials across the cell membrane.

Temperature and Pressure:

As with any chemical reaction, increasing the temperature or pressure increases the kinetic energy of the particles, thus increasing the rate of diffusion.

Concentration Gradient:

The greater the concentration gradient (the difference in concentration either side of the membrane) the greater the rate of diffusion.

Surface Area:

The larger the area over which diffusion can occur, the greater the rate of diffusion.

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