Concentration gradient

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    • #321
      pinkprep002
      Participant

      Hey guys, i feel super dumb because science was never my strong suit! I took College Prep Biology. Mid-Terms are coming up fast. I have a study guide but I need some help! 😡

      Define concentration gradient. Explain its effect on the rate of diffusion.

    • #19120
      mith
      Participant

      I don’t remember exactly but it concerns how much a solute is concentrated on one side of the cell membrane. For example, if there’s a high concentration of sodium inside the cell than outside the cell, the salt would diffuse out. And of course a higher concentration gradiant (difference between outside and inside) would cause a directly increase in rate of diffusion.

    • #19515
      thank.darwin
      Participant

      Go to this site and click on – passive diffusion

      http://www.northland.cc.mn.us/biology/B … port1.html

      This should help – hope it’s not too late 🙁

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