Nt1320 Unit 7 M3

Four test tubes were labeled “H2O A”, “H2O B”, “Enz A”, and “Enz B”. In the test tubes labeled “Enz A” and “Enz B” 1 mL of catalase was pipetted into each, and in the test tubes labeled “H2O A” and “H2O B” 6mL of deionized water was pipetted into each. Next the two test tubes labeled A were placed into an ice bucket, and the test tubes labeled B were placed in a 50°C water bath. These were left in their respected locations for 5 minutes each, and then the temperature of the test tubes in the ice bucket were recorded. Next the “Enz A” test tube was mixed with the “H2O A” test tube and 100µL of guaiacol and 150µL of .1% H2O2 were added to this mixture using a micropipette. The test tube was then covered with aluminum foil and inverted to mix the solution and then placed in a curvette and into the spectrometer. The initial absorbance was recorded and the curvette was placed back in the ice bucket. Then the contents of the test tubes labeled B were mixed and 100µL of guaiacol and 150µL of .1% H2O2 were added to this mixture using a micropipette. This was then placed in a curvette and into the spectrometer and the initial absorbance was recorded and the curvette placed back in the water bath. Finally after 5 minutes of time had passed each of these were placed in the spectrometer again and their absorbance levels recorded. This process should be a very quick one to ensure that the

The mail server is like an computerized mail man that capable to delievers or handles e-mails across a internet or network. It can deliver e-mails from client computer to other mail servers or client computers. The client computer are the computer that you use to read or send mails across the networks. The example would be your computer at school or home. Furthermore, Smartphone or other mobile devices that have e-mail capbilities also can categorize as a client computers. The mail server uses Simple Mail Transfer Protocol(SMTP) for mail server to send email. SMTP is an application protocol that uses to store and forward emails. It will transfer your emails across the network and mail server will uses Post Office Protocol Version 3 (POP3) or Internet Message Access Protcol Version 4(IMAP) to receive the emails at the reciving ends.

Windows security uses an administrators password, this allows only the admin of the system to gain access the setting, only the admin can change anything on the system which means that someone who isn't using the admins account can't change anything unless given permission

The church required that the workstations be replaced as they are no longer supported by the hardware manufacturer. The workstations operating Windows XP can no longer receive a software patch and are no longer supported by Microsoft. These workstation are extremely vulnerable to attack. Wireless connectivity through the church campus was a requirement as the church was to be able to access information from multiple locations. Setting up hardware to maintain and secure all data and information. The sponsor liked our team’s suggestion to migrate them from a peer to peer network environment to a server domain environment. With all of these upgrades and updates, network security needed to be addressed so the installation and setup of a firewall became a requirement. The

Two types of primary roles for healthcare workers is one prevention and the second one being the need to be aware of the cardinal symptoms of cancer in children. Prevention begins with teaching and educating the parents and children about the different hazard of known carcinogens, such as cigarette smoking and the effects of it and being exposed to sunlight in an excessive manner. Children that have light colored eyes, skin tone(fair-skinned) and hair are at a higher risk for skin cancer. Children that have freckles are known to get sunburn quicker than others. All children should avoid excessive sun exposure. Various testing

Rocks: Students learn about rocks through the use of a film. The student uses a white board to take notes, and organizes notes with the use of a graphic organizer.

Time to configure the DNS, go to the distribution which is just created and see for the CloudFront specific domain name. Copy that domain name with the DNS provider, configure the CNAME to point from http://cdn.your-magento-site to the CloudFront domain name.

We use Multiple items tool to create a customizable form that displays multiple records from a source table or query in a datasheet format.

The purpose of this document would be to impart knowledge by illustrating the research done on the spending of each department. Visuals in the form of charts should be used to present the data to the vice-president of finance. Bill Snowman has specifically requested the use of graphics in order to quickly compare the different amounts of spending for each department.

So, if we take the last input data, from the example above, and split it on “m” then we would have 4 elements: {5 4}{2}{10}{9}{50 41}. If we consider the first to be the point (previous cluster center), the second to be the weight (number

Gel electrophoresis method. Qualitative analysis shows protein concentrations in kidney, heart, and liver. 1-6 are kidney tissue. 7-14 are liver and 15-19 are the heart tissue.

Apparatus: Spectrophotometer (UV-1201), cuvettes, water bath (set at 37°C), 200µl and 1000µl micropipettes and test tube

By removing one milliliter of the stock solution to the first test tube, and repeating the same process for the other two tubes allowed us compare concentrations and know what the dilution factor would be when placed into the dialysis tubing. All three tubes had the same amount of water (4mL of H2O) added. Once the solution for each test tube was mixed well, we transferred 2 mL of each concentration into the dialysis bag. We secured each piece (3 in total) of the dialysis tubing to ensure that once the concentration was added that it would not leak out of either end. Three stir plates were used, all set at the same speed, and the dialysis bags filled with different concentrations were added. Before we began to measure the absorbance rate, we did take a sample of the water immediately after placing the dialysis tubing into each beaker. We observed each beaker over a period of 25 minutes. At each five-minute interval, we removed one milliliter of the solution and placed it into a cuvette. The cuvette sample was then placed in the spectrophotometer to calculate the absorbance rate of each sample. After each sample was measured, all data was recorded in the lab manual. Once all measurements had been recorded we used the absorbance rate to help calculate the concentration. The light that is absorbed when using the spectrophotometer is usually relative to the concentration of a specific

The response "sensitive value; response suppressed" is itself a disclosure. Suggest a manner in which a database management system could suppress responses that reveal sensitive information without disclosing that the responses to certain queries are sensitive.

The function of the gel is so that the DNA strands can separate out. The electrophoresis process is necessary because, due to DNA having a negative charge naturally it will be attracted to substances that are positively charged, so by positioning the gel, with the DNA samples injected into its wells, facing towards the positive end of the electrophoresis apparatus with the DNA samples on the opposite end closest to the negative end, the DNA strands with gradually move down the gel and separate based on their band size. Before separating the DNA strands can be accomplished, the gel must first be made accordingly as well as the samples. In order to make the gel, agarose powder and a buffer must be mixed and cooked together first. The buffer that was used in this experiment is the 1X TAE buffer. Utilizing a buffer is important in making the gel for gel electrophoresis because “gel electrophoresis depends upon the effective maintenance of pH within the matrix” (Magdeldin). Moreover, while providing the correct pH conditions, it also has the correct salt conditions for DNA polymerase. Salt is important