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In this experiment you will: 1) Perform an experiment to determine the effect that various alcohols have on the integrity of beetroot membranes 2) Observe the structure of intact beetroot cells by preparing a slide of these cells and observing them microscopically Part 1: The Effect of Different Alcohols on Membrane Permeability Alcohol is an organic solvent that, as you observed, disrupts biological membranes. The question you are exploring in this lab is whether there is a difference in the effect on membranes of different kinds of aiconol. You will be testing the effect of 3 different alcohols (methanol, ethanol and n-Propanol) on the permeability of biological membranes. The structural formulas of these three alcohols are shown below: H H. HH T H C C C-OH H C C-OH H C-OH H H H r-Propanol Ethanol Methanol M.W. o .09502 46.06844 M.W. L M.W. 32.0186 Prior to performing the experiment, identify some of the characteristics that determine permeability: What is the molecular weight (M.W.) of each of these alcohols? Fill in above. Rank these three alcohols from most polar to least polar. What criteria did you use to determine polarity? Methanol- MOst Polar,Prapand because it has 3-H 9raups and these are hddrooholoic. The longerth-e alkul Chain beomes the lesspolar Ethanol propanol teast poar Develop a testable hypothesis about the effect of different alcohols on the permeability of biological membranes based on their molecular weight and / or polarity. 3 Revised 8/10/2016 I-C-I I-C I

In this experiment you will: 1) Perform an experiment to determine the effect that various alcohols have on the integrity of beetroot membranes 2) Observe the structure of intact beetroot cells by preparing a slide of these cells and observing them microscopically Part 1: The Effect of Different Alcohols on Membrane Permeability Alcohol is an organic solvent that, as you observed, disrupts biological membranes. The question you are exploring in this lab is whether there is a difference in the effect on membranes of different kinds of aiconol. You will be testing the effect of 3 different alcohols (methanol, ethanol and n-Propanol) on the permeability of biological membranes. The structural formulas of these three alcohols are shown below: H H. HH T H C C C-OH H C C-OH H C-OH H H H r-Propanol Ethanol Methanol M.W. o .09502 46.06844 M.W. L M.W. 32.0186 Prior to performing the experiment, identify some of the characteristics that determine permeability: What is the molecular weight (M.W.) of each of these alcohols? Fill in above. Rank these three alcohols from most polar to least polar. What criteria did you use to determine polarity? Methanol- MOst Polar,Prapand because it has 3-H 9raups and these are hddrooholoic. The longerth-e alkul Chain beomes the lesspolar Ethanol propanol teast poar Develop a testable hypothesis about the effect of different alcohols on the permeability of biological membranes based on their molecular weight and / or polarity. 3 Revised 8/10/2016 I-C-I I-C I

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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develop a testable hypothesis about the effect of different alcohols on the permeability of biological membrrane based on their weight and / or polarity

In this experiment you will: 1) Perform an experiment to determine the effect that various alcohols have on the integrity of beetroot membranes 2) Observe the structure of intact beetroot cells by preparing a slide of these cells and observing them microscopically Part 1: The Effect of Different Alcohols on Membrane Permeability Alcohol is an organic solvent that, as you observed, disrupts biological membranes. The question you are exploring in this lab is whether there is a difference in the effect on membranes of different kinds of aiconol. You will be testing the effect of 3 different alcohols (methanol, ethanol and n-Propanol) on the permeability of biological membranes. The structural formulas of these three alcohols are shown below: H H. HH T H C C C-OH H C C-OH H C-OH H H H r-Propanol Ethanol Methanol M.W. o .09502 46.06844 M.W. L M.W. 32.0186 Prior to performing the experiment, identify some of the characteristics that determine permeability: What is the molecular weight (M.W.) of each of these alcohols? Fill in above. Rank these three alcohols from most polar to least polar. What criteria did you use to determine polarity? Methanol- MOst Polar,Prapand because it has 3-H 9raups and these are hddrooholoic. The longerth-e alkul Chain beomes the lesspolar Ethanol propanol teast poar Develop a testable hypothesis about the effect of different alcohols on the permeability of biological membranes based on their molecular weight and / or polarity. 3 Revised 8/10/2016 I-C-I I-C I
Transcribed Image Text:In this experiment you will: 1) Perform an experiment to determine the effect that various alcohols have on the integrity of beetroot membranes 2) Observe the structure of intact beetroot cells by preparing a slide of these cells and observing them microscopically Part 1: The Effect of Different Alcohols on Membrane Permeability Alcohol is an organic solvent that, as you observed, disrupts biological membranes. The question you are exploring in this lab is whether there is a difference in the effect on membranes of different kinds of aiconol. You will be testing the effect of 3 different alcohols (methanol, ethanol and n-Propanol) on the permeability of biological membranes. The structural formulas of these three alcohols are shown below: H H. HH T H C C C-OH H C C-OH H C-OH H H H r-Propanol Ethanol Methanol M.W. o .09502 46.06844 M.W. L M.W. 32.0186 Prior to performing the experiment, identify some of the characteristics that determine permeability: What is the molecular weight (M.W.) of each of these alcohols? Fill in above. Rank these three alcohols from most polar to least polar. What criteria did you use to determine polarity? Methanol- MOst Polar,Prapand because it has 3-H 9raups and these are hddrooholoic. The longerth-e alkul Chain beomes the lesspolar Ethanol propanol teast poar Develop a testable hypothesis about the effect of different alcohols on the permeability of biological membranes based on their molecular weight and / or polarity. 3 Revised 8/10/2016 I-C-I I-C I
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