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    lab 2

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    1. Compare the hash values calculated for example.txt that you documented during this lab. Explain in your own words why the hash values will change when the data is modified. They change to keep authentication and integrity. 2. Why are the MD5sum and SHA1sum hash values the same every time you calculate for the “example.txt” sample fi le? What if they were different when you re-calculated the hash value at the other end? These are the same to verify authentication and integrity.

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    lab analysis

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    Lab Analysis Questions 1. What are the important ions for most neurons when considering changes in membrane potential? (3 points) 2. What is the resting membrane potential? (3 points) 3. What does it mean that the voltage just inside the membrane is negative? (4 points) Neurophysiology of Nerve Impulses Activity 2: Receptor Potential (20 points total) Notes: • After reading the Overview and Introduction‚ Click on Experiment. • Follow the directions on the left side of the

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    Penny Lab

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    Introduction The purpose of this lab is to determine the percent mass of Cu in a penny and see if the fabricator that makes the planchets for the government is using the correct amounts of Cu in the pennies. The composition of a standard penny is 97.5% Zn and 2.5% Cu. In the lab we will be using Beer’s Law (A=elc+b where A is solution absorbance‚ e is a constant called molar absorbency‚ l is the length in cm‚ and c is the concentration). Using Beer’s Law in this lab a colorimeter is used to find the

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    Lab 4

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    Symantec Report researched during this lab? a. Swifi‚ Interrupdate‚ Fostrem‚ Kuaiput‚ Mibling‚ Pilleuz‚ Ergrun‚ Bredolab‚ Changeup‚ Induc 5. What is Phishing? Describe what a typical Phishing attack attempts to accomplish. a. Stealing online account information by posing as a legitimate company. 6. What is the Zero Day Initiative? Do you think this is valuable‚ and would you participate if you were the managing partner in a large firm? a. A program to reward security researchers for disclosing vulnerabilities

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    Microscope Lab

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    Virtual Lab Unit 3 1. Briefly describe the steps required to aseptically transfer bacteria from an unknown to a tube of liquid broth.  You might have to research this using the "T" button (Tell Me More About...) To aseptically transfer bacteria from an unknown to a tube of liquid broth you have to flame the loop or wire before you begin to sterilize it. You then remove the caps from the tubes and flame the mouths of the tubes to prevent air-borne contamination. When all this is done‚ you have to

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    Butanol Lab

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    Lab: Comparison of Three Isomers of Butanol Pre-lab: 1. Write the general reaction of an alcohol and HCl. 2. What would the solubility be of an alcohol in water. 3. What would the solubility be of an alkyl halide in water? 4. What is the purpose of KMnO4 in the reactions? Safety: Concentrated hydrochloric acid is corrosive and the vapour is very irritating to the respiratory system. Avoid contact with skin‚ eyes‚ clothing‚ and the lab bench. Wear eye protection and a lab apron.

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    Biomolecule Lab

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    In each station there was a positive and a negative control. If the substance was the same as the negative control then it was negative. If the substance was the same as the positive control than the substance is positive. In the first lab we did the Paper Spot test‚ one would have had to apply the substance on a cardboard like paper. If it looked oily it was the biomolecule called lipid. The result of test one was it stayed the same‚ it did not turn oily and was clear. Next was the test

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    Photosynthesis Lab

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    Lab Report: Photosynthesis Name: Purpose of this Lab What is the goal of this lab? What question are you trying to answer‚ or what problem are you trying to explain? In this lab I will perform experiments to explain photosynthesis. I will answer questions like what does photosynthesis do and how does photosynthesis work? Hypothesis After reading the lab instructions (but before starting the lab) record your best educated guess about what will happen in the experiment. Explain

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    Elodea Lab

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     Krotec; Honors Bio Period 4  Photosynthesis Lab Report       I.​          ​ Introduction  The photosynthesis lab is designed to quantify photosynthesis‚ enabling a number of  variables to be tested for their effects on photosynthetic rate. The production of oxygen‚ is used  as an indirect measure of photosynthetic activity.The lab allows the examination of the effects of  different wavelengths of light on photosynthetic activity. The other aspect of the lab includes  Paper chromatography‚ which is 

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    Sci/207 Week 3 Lab Report

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    Ursurla Waller Week 3 Lab Reporting Form SCI 207: Dependence of Man on the Environment 2014 Sep 17 Week 3 Lab Reporting Form Lab 3 - Experiment 1: Interdependence of Species Table 1: Interdependence of Species Results Round Species Missing (Bead Color and Name) 1 Yellow; Bees 2 White; Lichens 3 Blue; Humans 4 Red; Flowers Hypothesis: If certain species are missing from the ecosystem except humans (blue)‚ then all other species will feel the effects. Post-Lab Questions 1. Restate your hypothesis

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