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How to Interpret the Results of Northern Blots
Northern blots are mostly a tool in RNA (ribonucleic acid) research. The RNA is extracted from the specimen and run on a gel for electrophoresis that is then transferred to a filter membrane. The type of RNA that is used in Northern blots is mRNA (messenger RNA), the product of DNA transcription.
How to Add Pictures to a CD
Digital photography has changed the way families, businesses, newspapers and anyone else who works with images view and archive them. Prior to digital imaging we would view pictures as prints and have the original negatives safely archived away in case the print became damaged or lost. With digital
How to Convert KW to HP
Back in the 1800s, before engineers could talk about standard horsepower, they had to determine the power of a standard horse. After observing them for a while they found that a horse and pulley could lift 33,000 pounds one foot in one minute. This is the definition for horsepower still used today.
How to Start the Nuka Cola Challenge in "Fallout 3" for PS3
The Nuka-Cola Challenge is a side quest in "Fallout 3," Bethesda's Softworks' action role-playing game set in the post-apocalyptic Capital Wasteland. Completing the quest earns the player experience points, a small amount of cash and the schematic for one of the game's deadliest explosive weapons, t
How to Build a Homemade Wind Generator
If you live in a windy part of the country, you are sitting on a goldmine. Build a homemade wind generator and save money on electricity. This is relatively simple and can be done in a weekend or two simply using a steel bicycle frame, plastic 2-liter pop bottles, zip ties and a treadmill motor. The
How to Strip a Western Blot
Western blot, or protein immunoblot, is a procedure that detects the presence of specific proteins in a sample. Transferring proteins to a membrane after electrophoresis allows for the detection of target proteins; antibody-linked enzymes attach to the individual protein, and produce a color when ex
How to Make a Pattern for Metal Casting
Metal casting has been around for centuries and is still used today iin everything from engineering to jewelry. Typically, a metal is poured into a mold cast, which can often require expensive manufacturing equipment. One common method of metal casting is called lost wax casting, which can be done i
How to Change a Blade on a Swiss Army Knife
Originating in Switzerland in the late 19th century, the Swiss Army Knife is a multi-function pocketknife and multi-tool that incorporates mechanisms as diverse as screwdrivers and toothpicks to can openers. The knife's blade, typically the largest portion of the pocketknife, is tightly stowed insid
How to Build a Gold Dredge Sluice Box
Gold sluice boxes are an effective tool for processing gold-bearing gravels. They operate on the basic principle that gold is heavier than other materials. A sluice box creates an artificial channel for water to flow through with a series of riffles running across the flow of water on the bottom of
What Animals Live in Deserts?
Despite incredibly hot temperatures and dry, dusty terrain, many species of animals flourish in the desert. These creatures' senses make them especially adept at finding food, and their fur or skin has the same colors of the terrain, helping them hide from predators or lie in wait for prey.
Giraffe Facts
Giraffes are the tallest land animals. A giraffe can easily eat from tall tree branches using its long neck and tongue. Giraffes also have a spotted pattern that allows them to blend into the environment of the trees as a type of camouflage.
Choosing a Table Saw Blade
Number of TeethThe number of teeth your saw blade should have will, like all the other factors in picking out a saw blade, depend on your cutting needs. In this case the question is, do you want it fast or clean? A saw blade with few teeth will meet less resistance as it turns, meaning...
How to Keep the Larvae of an American Lady Vanessa Virginiensis Alive
American lady caterpillars have simple needs. Like the larvae of other butterflies, they just require a plentiful supply of the right leaves, a well-ventilated house and somewhere to pupate. If you supply these, you should successfully raise the caterpillars until they turn into butterflies. Since A
The Difference Between Chinese & Indian Jade Stone
Jade has been used by man for over 7,000 years and enjoys a long history in both China and India. The word jade, derived from the Spanish term for loin stone, "piedra de ijada," describes two different types of minerals: jadeite and nephrite. China is known for its jadeite, and India is known for it
How to Get to Bellamoa's Cave on "MapleStory"
There are many locations which players of the massively multiplayer online role-playing game "MapleStory" can explore. One of the areas available to players is known as Bellamoa's Cave. It is located in the south eastern Nihal Desert region of the Ossyria continent and is home to the level 71 snake-
What Light Wave Do Solar Panels Use?
Converting light waves to electricity is the basic function of the photovoltaic (PV) cells within solar panels. Understanding what light wave PV cells use involves both general knowledge of the solar spectrum and background knowledge of the PV effect, which makes electrical conversion possible. The
Wattmeter Basics
A wattmeter is a device used to measure how much electrical power a circuit is producing, expressed in watts. It uses resistance to move a piece of metal, which is carefully calibrated along a display with wattage numbers on it; the higher the wattage, the more the piece of metal will...
Dangerous Types of Termites
Thousands of different termite species exist worldwide, most of which pose little threat to human habitation. However, a number of termite species have found their way into populated regions and can cause severe damage to homes and structures. The termites that are considered dangerous to human habi
How to Brace Table Legs
Bracing table legs improves the strength and stability of the work surface, allowing you to place more weight on the table or, with a workbench, to handle power tools safely. Metal braces predrilled with screw holes are available at virtually any hardware store. You can install braces on the four le
Arts & Crafts Ideas for Going Green
Helping reduce waste is one of many steps to going green and helping protect the environment. To decrease the amount of products you throw away, try incorporating empty household containers into crafts that could prove useful around your home or to provide an afternoon of crafting with your child.
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