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Facilitated diffusion Essay Topics & Paper Examples

Simulating Dialysis

Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? __ The molecules were to large to go through. My results matched._ 3.Describe the results of the attempts to diffuse glucose and albumin through the 200 MWCO membrane. How well did the results compare with your prediction? __The albumin was not able to go through and the glucose did. I predicted that neither of them will diffuse, however the glucose was able to go through._ ___ 4.Put the following in order from smallest to largest molecular weight: glucose, sodium chloride, albumin, and urea. _sodium chloride, urea, glucose and albumin__ ___ ACTIVITY 2 Simulated Facilitated Diffusion…

Physio Ex 9.0 Activity 1 Cell Transport Mechanisms and Permeability

ACTIVITY ONE- Cell Transport Mechanisms and Permeability: Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. Molecular weight affects the rate of diffusion because the bigger the size of the molecule the longer it will take to diffuse. Membrane size is another variable that affects the rate of diffusion because if the membrane‚Äôs pores are small it will take molecules longer to diffuse though it than if the pores were larger. Also, membrane thickness is a variable because the thinner the membrane the quicker the diffusion. 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? Our prediction was…