Physioex exercise 1. PhysioEx Exercise 2 Activity 1 (1).pdf 2022-12-27

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PhysioEx Exercise 1 Activity blog.sigma-systems.com

physioex exercise 1

The rate of glucose transport increased with an increase in the presence of more glucose carriers because more molecules of glucose are able to be transported across the membrane if there are more transporters present. PhysioEx Lab Report Exercise 1: Cell Transport Mechanisms and Permeability Activity 1: Simulating Dialysis Simple Di ff usion Name: Alliah Jones Date: 29 January 2022 Session ID: session-1bb01a17-0b8b-19cc-f3e9-e3372de735 ff Pre-lab Quiz Results You scored 100% by answering 3 out of 3 questions correctly. The solute concentration gradient didn't change from Trial 3 to 4 for 200 MWCO, however the pressure gradient increase allowed for the increased rate of filtration. Your answer: The two variable that affect the rate of diffusion are as follows: -the composition of the lipid layer which can vary from tissue to tissue -the size of the molecule the larger the size the slower the rate of diffusion 2. The results of the experiment correlated with my prediction.

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PhysioEx Exercise 1 Activity blog.sigma-systems.com

physioex exercise 1

Concentration-As concentration increases, the rate of diffusion increases due to having a higher concentration gradient. The pressure in the beaker containing the albumin increased despite the increased concentration of glucose because albumin has a much greater molecular weight. The SP pump ejects 3 sodium ions per every 2 potassium ions coming in. How well did the results compare with your prediction? Put the following in order from smallest to largest molecular weight: glucose, sodium chloride, albumin, and urea. Because water moves toward the HIGH concentration of solutes. An injection of TSH to an otherwise normal animal will cause which of the following? What do you think will happen after you inject PTU into the three rats? Increasing extracellular K+ increases the positive charge outside the cell. You correctly answered: d.

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PhysioEx Exercise 1: Activity Questions Flashcards

physioex exercise 1

Then compare that to increasing the size of the small gate to a much larger gate, then the rate of the transport of people would be faster. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? When a cell is selectively permeable, it means some substances can pass through while others can't. Many cells cannot function without adequate water, so cells depend on osmosis. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? The glucose transport rate was unchanged. This inhibits net diffusion of Na+ into or out of the cell. Predicted that no sodium would be transported because the coupled Lab 3 - Cells Describe the results of the attempts to diffuse glucose and albumin through the 200 MWCO membrane.

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PhysioEx Exercise 2 Activity 1 (1).pdf

A possible reason to why none of the of these solutes were able to pass through was because the solutes could have been too big to be transported. We know the pressure will increase in the albumin beaker because it is more impermeable than glucose. A change in K+ conductance would have a greater effect on resting membrane potential than a change in Na+ conductance because the membrane is more permeable to K+. Urea diffused more slowly because it is larger than sodium. It won't change since the concentrations are the same and the transport proteins are glucose carriers. You correctly answered: b.

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Free Essay: PhysioEx Exercise 1

physioex exercise 1

Your answer : c. Review Sheet Results 1. The reason that glucose was able to diffuse through it and not albumin was because of its molecular weight difference. The experiment produced this result. In the experiment, the membrane permeability was adjusted by varying the molecular weight cutoff MWCO. Describe two variables that affect the rate of diffusion. This decreases the difference between the inside and outside of the cell.

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PhysioEx Exercise 3 > Activity 1: Overview and Pre

physioex exercise 1

One way that facilitated diffusion and simple diffusion are similar is the way they transport along or down the concentration gradient. It can be seen that the thickness of the membrane is less than 50 µm and it is evident that the structure of the CTA FO membrane is quite different from standard RO membranes. Permeability-Membrane permeability affects the rate of diffusion. The increase in pore size increased the filtration rate because more filtrate was allowed to go through the membrane. Pressure increased the filtration rate but not the concentration of solutes because it increased the hydrostatic pressure gradient that exists. The smaller the molecule, the faster the rate of diffusion due to ability to diffuse through the membrane pores adjusted by the MWCO.

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Physio Ex Exercise 4 Activity blog.sigma-systems.com

physioex exercise 1

The steeper the pressure gradient, the faster the filtration rate. Pressure changed the speed of filtration but pressure does not affect the size of the solutes nor the pore size of the membrane. In diffusion, molecules move You correctly answered: a. One way these two differ is that simple diffusion occurs without the assistance of membrane proteins and facilitated diffusion requires a membrane bound carrier protein to assist in transport. In active transport the molecules are carried against the force of diffusion however in facilitated diffusion that energy is not….

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Physioex Exercise 1 Review Sheet

physioex exercise 1

Instead, the embedded polyester mesh provides mechanical… PEx9 ReviewSheet Ex01 2. The results I obtain did not quite match my predications because I had predicted that they both wouldnt be able diffuse through 200 MWCO membrane, because I didnt do the proper calculations. When diffusion stops, we say the solution has reached You correctly answered: a. The effect of increasing the concentration of sodium chloride from 9 mM to 18 mM in the left beaker was to You correctly answered: b. Experiment Data: Run Number 1 2 3 4 5 6 6 Solute Glucose Glucose Glucose Glucose Glucose Na+ ClGlucose Start Conc. Molecules that are larger than the pore size are prevented from crossing the dialysis membrane. Your answer : a.

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