.... occur in the absence of light as well as when light is present. The first and most important step of dark reactions, the carbon fixation step, involves rubisco. What happens is that rybluose which contains five carbons takes the carbon in carbon dioxide and makes the six carbon sugar glucose as described in Vodopich's definition. For the first part of our experiment we wanted to observe how using paper chromatography separates pigments. Paper chromatography works since the pigments in plants have different polarities, weights, and sizes. Although, it was hard to make a clear hypothesis as to how the pigments would travel due to my lack of knowledge of such pigments, I ....

.... story the other day, about the people in a village having never heard the word cancer until they were run out of their homes and into the city area's. Years later, some of the people from this village are dying from disease. my point is that before they came to the cities, they had always died of old age ...) FIRST of all, it is important to know that the "greenhouse effect" is not a bad thing in itself. In fact, this planet would be a life-less waste land without its natural greenhouseing. There are a collection of gases called "greenhouse gases," which are water vapor, carbine dioxide, ozone, methane, nitrous oxide, and chlorofluorocarbons (CFC). Without the natural gr ....

.... but vary from the size of bird house, to the size of a small piece of real estate. Asteroids usually travel in groups and sometimes form asteroid belts that can wrap around an entire solar system. There are about 150 known asteroids that travel in a path near the earth, and they are actually called, "near-earth" asteroids. About 10 percent are bound to hit earth eventually. Asteroids ranging from fine dust, to house size rocks make up the belt around Saturn, and the belt on the outside of the orbit of Mars. These are pieces of larger rocks that were crashed into the remaining pieces after millions of years of crashes. Each ring system has distinctive features. Jupiter's ....

.... cow. The list goes on, and such experiments continue even until today. Nowadays these experiments would be ethically and legally unacceptable. Nevertheless, there have been clear documented cases of abuse in recent times. An example of this is the experiments conducted by Nazi doctors on prisoners in the concentration camps during the Holocaust. Does this mean that since there is potential for abuse, all experimentation should be banned? This would mean that society would be condemned to remain at the same level of knowledge (status quo)? Bioethically speaking, how far can we go in the study of the human without crossing the line? The fundamental question is, si ....

.... As the plasma approaches Earth, it is trapped for a time in the outermost parts of the Earth's magnetic field, an area called the Van Allen belts. Eventually the plasma is drawn down toward the North and South magnetic poles. Along the way, it ionizes (creates an electric charge within) the oxygen and nitrogen gas it encounters in the atmosphere, causing it to glow. The flow of plasma from the sun is generally continuos, although it occasionally bursts out of holes in the sun's outermost atmosphere. Massive ejections of plasma have also been shown to accompany solar flares, prominences, and sunspots. It is during these periods of highest solar activity that one is m ....

.... the American Gordon Gould. But the first laser was constructed in 1960 by American physicist T.H. Maiman and it is still one of the most powerful available. This laser used a ruby rod for its active medium, which is its way of producing light. Ali Javan then created the first gas laser later in 1960. Three separate teams of American scientists operated the first semiconductor laser in 1962. Then in 1966, the American physicist Peter Sorokin built the first dye laser. To begin with, I will explain the definition of a laser: It is a device that produces a very narrow powerful beam of light. A laser light is a narrow beam of light, in which all the waves are traveling exactly ....

.... the function of each. * The soma, consists of the cell body of a neuron which further contains the nucleus. * Glial cells interact with neurons and regulate the extracellular environment, protect against pathogens and repair damaged neural tissue. * Axons are-capable of propagating nerve impulses. * Dendrites respond to specific stimuli in the extracellular environment. * Synapse terminals communicate information from the presynaptic cell to the posisynaptic cell. Structural Classification *Anaxonic neurons- have multiple processes and the axon is indistinguishable from the from the dendrites. They're fairly small. *Bipolar neurons- have ....

.... Hemophilia B or Christmas disease, named after the first patient diagnosed and treated with hemophilia B. Hemophilia B lacks AHF (antihemophilic factor). About 85% of hemophiliacs have classic or hemophilia A. Hemophilia A's blood lacks the clotting factor eight. The rest of the 85% have Christmas, which lacks clotting factor nine. An extremely small number of hemophiliacs lack yet another kind of clotting factor. Both A and B forms have also been called the royal disease. Hemophilia was inherited by decedents of England's Queen Victoria and introduced into the royal houses of Spain, Germany, and Russia. Hemophilia A and B are caused by genes that are sex linked and ....