PHYSIO EX 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. The temperature of the solutions and the difference in concentration of the ion or molecule between the sides of the membrane 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? Since the chemical formula for urea is (NH2)2CO and its molecular weight is about 60. It will not diffuse through the
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Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through? 50‚ 100‚ and 200 4. Which materials diffused from the left beaker to the right beaker? NaCl‚ Urea‚ and Glucose at MWCO 200 5. Which did not? Why? Albumin‚ too large to diffuse Activity 2: Simulating Dialysis 1. What happens to the urea concentration in the left beaker
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Lab Report 1: Cell Transport Mechanisms and Permeability Using PhysioEx 8.0 Introduction The purpose of these experiments is to examine the driving force behind the movement of substances across a selective or semiperpeable plasma membrane. Experiment simulations examine substances that move passively through a semipermeable membrane‚ and those that require active transport. Those that move passively through the membrane will do so in these simulations by facilitated
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Exercise 1: Cell Transport Mechanisms and Permeability: Activity 1: Simulating Dialysis (Simple Diffusion) Lab Report Pre-lab Quiz Results You have not completed the Pre-lab Quiz. 09/20/11 page 1 Experiment Results Predict Question: Predict Question 1: The molecular weight of urea is 60.07. Do you think urea will diffuse through the 20 MWCO membrane? Your answer : c. No‚ not at all. Predict Question 2: Recall that glucose is a monosaccharide‚ albumin is a protein with 607 amino acids‚ and
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Emotional Reactions to Women‚ Pregnant and Non Pregnant‚ In Relation to Customary and Non Customary Roles. Rebekah N Diaz American Military University Psychology101 May 12‚ 2012 Dr. Ronald Jeziorski Emotional Reactions to Women‚ Pregnant and Non Pregnant‚ In Relation to Customary and Non Customary Roles. Abstract This field study conducted by Hebl‚ King‚ Glick‚ Singletary‚ and Kazama in 2006 was done to determine the different types of emotional responses to pregnant versus non-pregnant
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Activity 1 1. Size and concentration of the solute 2. It was too large to pass‚ as predicted 3. I predicted that the glucose would diffuse since it is small enough but the albumin is much too large to pass through the membrane. The experiment produced this result. Activity 2 1. Neither way requires ATP but facilitated diffusion requires carrier protein molecules for diffusion to occur. 2. By increasing the number of carriers more glucose can pass at a time increasing the rate‚
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11M01_ZAO2177_01_SE_CH01.QXD 3/4/11 1:36 AM Page 1 E X E R C I S E 1 Cell Transport Mechanisms and Permeability P R E - L A B Q U I Z 1. Circle the correct term. A passive process‚ diffusion / osmosis is the movement of solute molecules from an area of greater concentration to an area of lesser concentration. 2. A solution surrounding a cell is hypertonic if: a. it contains fewer nonpenetrating solute particles than the interior of the cell. b. it contains more nonpenetrating
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chemistry as they apply to physiological processes. REQUIRED TEXTS: BIO 135 1. LECTURE TEXT Essentials of Human Anatomy & Physiology 10th edition(REQUIRED) Author: Marieb Text Publisher: Benjamin Cummings ISBN: 9780321695987(13 digit) or 0321695984 (10 digit) 2. LAB EXERCISE TEXT - This ISBN # is a package that includes the text and the CD with the Lab exercises. PhysioEx 9.0 Lab Exercise text (REQUIRED) Author: Zao et al Text Publisher: Pearson Benjamin Cummings ISBN:
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Exercise 2: Skeletal Muscle Physiology: Activity 1: The Muscle Twitch and the Latent Period Lab Report Pre-lab Quiz Results You scored 20% by answering 1 out of 5 questions correctly. 1. Skeletal muscles are connected to bones by Your answer : c. ligaments. Correct answer: b. tendons. 2. Skeletal muscles are composed of hundreds to thousands of individual cells called Your answer : b. myofibrils. Correct answer: c. fibers. 3. The term motor unit refers to Your answer : a. all of the motor neurons
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Exercise 6.1 a) Describe the mediastinum and its boundaries. The region betweenthe two pleural cavities‚ also contains the thymus‚ esophagus‚ andtrachea. b) Use the identify tool to label the sructures in the diagram belowc)Right common carotid arteryd)Brachiocephalic arterye)Right Brachiocephalic veinf)Ascending Aortag)Superior vena cavah)Interior of paricardial saci)Auricle of right atrium j)Right Atrium k)Diaphram l)Left common carotid artery m)Left subclavian arteryn)Left Brachiocephalic
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