27 Jun CellMembraneTransport Hands-OnLabs,Inc.Version42-0034-00-01 Lab Report Assistant
Question
CellMembraneTransport
Hands-OnLabs,Inc.Version42-0034-00-01
Lab Report Assistant Thisdocumentisnotmeanttobeasubstitute foraformallaboratoryreport.TheLabReport Assistantissimplyasummaryoftheexperiment’squestions,diagramsifneeded,anddatatables that shouldbeaddressedinaformallabreport. Theintentistofacilitatestudents’writing oflab reports by providing this informationin an editable filewhich can be sent to an instructor.
Exercise1:DiffusionthroughanArtificialMembrane
Observations
Data Table 1: Changes During Dialysis
Color
Before Dialysis
AfterDialysis
Solutionin cup 1
Solutionin dialysis tubing
Data Table 2: Benedict’s Reagent Results
Color of Solution
Before Heating
AfterHeating
IKI solutionin cup 1
Solutionin dialysis bag in cup 2
Distilled water
Questions
A. What is the purpose of this exercise? What is being tested?
B. What color change did you observe in the dialysis tubing? What does that change indicate? C. Was there a color change in the water surrounding the tubing? If so, explain.
D. WhatcolorchangedidyouobserveinthewatercontainingtheIKIafterheating?Whatdoes that change indicate?
E. What does the Benedict’s reagent detect? F. What does the IKI solutiondetect?
G. In what way is a cell membrane similar to the model cell made of dialysis tubing? H. Is the transport mechanism in the model cell passive or active?Why?
Exercise 2: Diffusionat differenttemperatures
Observations
Data Table 3: Diffusionof KMnO4at Various Temperatures and Times
Temperature inside cup
Colorof Water
0min
5min
Questions
I. How does temperature affectthe rate of diffusion?
J. State a general hypothesis to cover how temperature affectsrate of diffusion
Exercise 3: Tonicity and Diffusion
Observations
Data Table 4: Potato Dimensions.
Potato
BeforeOsmosis
(L× W) cm
AfterOsmosis
(L× W) cm
Tonicity
Hypertonic, Isotonic, or
Hypotonic
Distilled water
10% Sodium Chloride
Questions
A. Whatistheconditionofeachpotatostripaftersoakinginthetesttubesforanhour?Which one is limp and which one is crisp?
B. Howwouldyou explainthedifferenceintheconditionsofthepotatostripsusingtheconcept of tonicity?
C. What was the tonicity of the fresh water solutionwith respect to the potato cells? D. What was the tonicity of the salt water solutionwith respect to the potato cells?
E. How do the changes in the conditions of the potato strips relate to the wiltingof plants?
F. How does keeping vegetables cool slow them from wilting
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.