distributed denialofservice‚ and mail bomb. b. A virus must be executed such as opening an infected email attachment while a worm can be initiated with or without the user downloading or executing the file. c. A Trojan horse carries neither a virus or worm. 2. Why does polymorphism cause greater concern than traditional malware? How does it affect detection? A polymorphic virus is a complicated computer virus that affects data types and functions. It is a selfencrypted virus designed to avoid detection by a scanner
Premium Computer virus Malware Trojan horse
The study of urinary chemistry on stone forming minerals will provide a good indication of risk of stone formation. Urinary supersaturation with respect to stone-forming constituents is generally considered to be one of the causative factors in calculogenesis. Though supersaturation of stone forming salts in urine is essential‚ abundance of these salts by itself will not always result in stone formation. Various substances in the body have an effect on one or more of the stone forming processes (nucleation
Premium Urine Kidney stone
Basal Cell Skin Cancer Basal cell skin cancer is a cancer that develops from the skin’s basal cells. The basal cells are located in the outermost layer of the skin called the epidermis and can be found in the deepest layer of the epidermis [1]. Basal cells constantly divide to form new cells in order to replace the squamous cells. As basal cells move up in the epidermis‚ the basal cells flatten and eventually become simple squamous cells. Separating the epidermis from deeper layers of the skin‚ the
Premium Cancer Oncology Metastasis
Brianna Cooper Brandon Boucher 2/16/12 Purpose: To understand how both voltaic and electrolytic cells function. Procedure: Refer to pages 34-36 of laboratory notebook for experimental details Results and Discussion: Voltaic Cell Reactions | | | Overall Cell Reaction | Observed Voltage | Theoretical Voltage | Cu2+(aq)+Zn(s) Cu(s)+Zn2+(aq) | 0.947 V | 1.10 V | Cu2+(aq)+Sn(s)Cu(s)+Sn2+(aq) | 0.571 V | 0.473 V | Cu2+(aq)+Fe(s) Cu(s)+Fe2+(aq) | 0.512 V | 0.777 V | Cu2+(aq)+Mg(s) Cu(s)+Mg2+(aq)
Premium Electrochemistry Battery Electrolysis
“Cell Transport Lab” Hypothesis: I hypothesis that there will be a movement of molecules out of the egg‚ and will move into the water solution. Osmosis will occur within the egg‚ and in the process the molecules of the egg will diffuse. Time (hrs) | Observations | Circumference (cm) | * 0 | * Egg is of normal weight and size * No membrane is being shown‚ and is almost perfect | * 14 centimeters | * 24 | * Egg has gotten larger taking in some of the water * Shell is soft
Premium Osmosis Chemistry Diffusion
Kristen Jones Section: Lab Report 5: Lymphatic System – Lab Manual Pages 103-112 Relevant Websites to Help You with This Lab – Be sure to review these Websites before and during the completion of this Lab. • Antigen/Antibody Test Results • Human Anatomy Online : The Lymphatic System • Immune Response Animation • Lymph Node Animation Review Your Lab Summary: What were the most significant 2 or 3 concepts you learned while doing this Lab? Exercise 1: Microscopic Anatomy
Premium Immune system White blood cell
Cell Surface Glycoprotein Receptor Analysis Using Concanavalin A Purpose: During this experiment we compared the hemagglutination reaction of control Con A solution at 2 mg/ml in Con A buffer with the hemagglutination reaction of your own purified Con A sample that you diluted previously at 2 mg/ml in Con A buffer. The purpose of this lab was to determine the strength of the reaction by performing serial dilutions on both the Con A sample and the control Con A sample‚ and determine through observations
Premium Scientific method Hypothesis Experiment
The Effect of Temperature on the Rate of the Reaction Between Calcium Carbonate and 1.0 M Hydrochloric Acid Josue Montoya IB Chemistry SL Mr. Pham Due Date: 07 March 2013 Dates Experiment Was Conducted: 27‚ 28‚ 29 February 2013 INTRODUCTION Research Question: How does altering the temperature at which calcium carbonate and 1.0 M hydrochloric acid react‚ affect the rate of reaction? Aim: The purpose of the experiment is to demonstrate
Premium Reaction rate Carbon dioxide Calcium carbonate
m paper Chemistry Notes & Worksheet: Acids‚ Bases & Salt Name : __________________________________________________ ( ) Class : Secondary 3 Maju/Cemerlang Date : ______ August 2012 Acids Definition: Substances that release hydrogen ions (H+) when dissolved in water. Strong Acids | Weak Acids | Chemical Name | Chemical Formula | Organic acids such as citric acid‚ ethanoic acid. | Hydrochloric acid | HCl | | Sulphuric acid | H2SO4 |
Premium Ammonia Acid Sodium chloride
Although I love science‚ I encountered more problems in this subject than any other. Recently‚ I was assigned a lab. The purpose was to let Copper Sulfate react with Aluminum and obtain Copper. Before the experiment‚ I set up the stoichiometric equation carefully‚ predicting the production of Copper using my assigned mass of Copper Sulfate. Additionally‚ I intentionally made Copper Sulfate an excess in my equation‚ since it would be dissolved in water and I would only have to collect Copper at the
Premium Aluminium Nitrogen Iron