Osmosis is the diffusion of water molecules across a semi-permeable membrane. Diffusion is the movement of molecules from an area of high concentration‚ to an area of low concentration. So‚ Osmosis is the movement of water molecules from an area where there are lots of water molecules to an area where there are few water molecules. Our aim is to find the concentration of dissolved substances in the cells of a potato using Osmosis. I predict that the potato in the higher concentration of salt
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Topic: Osmosis Materials: Potato cylinders‚ 20 percent sodium chloride solution‚ three test-tubes‚ test-tube rack‚ scalpel blade‚ Gel ink pen‚ syringe-10cm^3‚ Plastic ruler with mm‚ tile‚ forceps filter paper‚ Masking tape. Method: 1) Three test-tubes‚ A‚ B and C were labeled and initials of experimenters were applied with the date: January 29‚ 2013. 2) A syringe was used to put 10cm^3 of water in tube A and 5cm^3 in tube B along with 5cm^ 20 percent sodium chloride solution and 10cm^3 20 percent
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******************************************************************************************** Answer Sheet—Module 7 Lab DNA Extraction Click on the following link and view the DNA extraction: http://learn.genetics.utah.edu/content/labs/extraction/ 1. What is the source of the cells used in this demonstration? A human. 2. Give three practical uses of DNA that is extracted: a. Genetic testing b. Body Identification c. Forensic analysis 3. Name the piece of equipment
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Lab 2-1 1. NT2670-PE99A 2. Change system properties‚ configure network connections‚ computer management 3. None 4. Group Policy Management; Remote Server Admin Tools: Role Admin Tools: AD DS Controller Tools‚ Server for NIS Tools 5. Successful 6. Added an additional Role Services subsection 7. Added the Volumes to Index Role 8. Cannot have both the WSS and WS 2003 File Services installed on the same server. Checked as a stand-alone service‚ it automatically adds the File Replication Service and
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Chapter 7 Lab Exercise 7.1.1 Part of the distinction between LAN and WAN networks is ownership. Why is it impractical for an organization to own the entirety of a WAN? Why is it favorable for an organization to maintain ownership of the entirety of a LAN? Use your textbook and Internet research to compose your answer A) There are no limitations on WANs so they can be custom built for the size of the organization. For the purpose of organizational expansion. Exercise 7.1.2 Given the problems with
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Lab Assessment Questions & Answers 1. What is the command to view the current Linux Kernel parameters? The command that will allow you to see the Kernel parameters is sysctl –a. 2. What command can you run to list all the kernels available parameters one screen at a time with the ability to move forward and backwards on the output? The command that would you to do accomplish this would be the less /proc/modules 3. What is the purpose of enabling syncookies in the Linux Kernel? The purpose
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IS3230 Lab 7 Multi-Factor Authentication Process Chris Wiginton ITT Technical Institute‚ Tampa FL Instructor: David Marquez 1 May 2014 Multi-Factor Authentication Process Area Authentication Process(es) Authentication Factors Authentication and Authorization LDAP /Kerberos Authentication‚ Token ‚ Session Timeline Username ‚ Password Token‚ Pin‚ Biometric Device Support Device should not be end of life and under support contract Vendor Supported Firewalls using Approved Product List
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INTRODUCTION: Osmosis is defined as the net movement of water or any other solutions molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement must take place across a partially permeable membrane such as a cell wall‚ which lets smaller molecules such as water through but does not allow bigger molecules to pass through. The molecules will continue to diffuse until the area in which the molecules are found reaches a state of equilibrium
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Title: Creating the chemical reaction of Osmosis with an Egg. Purpose: We are taking a large single cell (the egg) and demonstrating Osmosis. Osmosis is a type of diffusion where the water molecules is the solution that is being moved. Osmosis is the movement of water through a semi-permeable membrane. Diffusion is the movement of molecules from an area of high concentration to an area of lower concentration. Introduction: When trying to create an osmosis reaction‚ it is important to understand
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Razelle Icaro- Resub Plants absorb water from the soil via osmosis. Osmosis is the diffusion of water particles from a region of high concentration to a region of low concentration across a semi-permeable membrane until the concentration is equilibrium. There are usually more solvents in the water inside the plant which means there is a high concentration. Because of this‚ the water flows into the root hair cells from the soil. Watering plants with a saline solution (salty water) changes the osmotic
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