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How do I describe the structure of a neuron?

The cell body of the neuron contains the nucleus. The nucleus of the neuron's cell body contains its DNA, or genetic material. Dendrites and axons both extend from the cell body and function to transmit signals to and from the cell. Dendrites receive signals to the cell body, while axons carry signals away from the cell body.\nAxons may be covered in a layer made of cells called the myelin sheath. The sheath is made up of either oligodendrocytes or Schwann cells, both of which are types of glial cells. Myelin sheath increases the speed at which nerve impulses are transmitted from one nerv..

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Why does the moon appear luminous?

During the full-moon phase, when the Moon appears as a complete circle, the Moon is on the opposite side of the Earth from the Sun. When the Moon and the Sun are on the same side of Earth, the reflecting side of the Moon is not visible from Earth. This phase is called a new moon. Between both phases, the Moon waxes and wanes as different amounts of sunlight are reflected off the Moon towards Earth.

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What is the definition of "pressure" in chemistry?

KentChemistry.com explains that pressure in gases is produced when the particles of the gases hit the walls of the container where they are stored. To measure the pressure of air, the force with which the particles hit the walls is divided by area of the surface. University of California, Davis notes that the pressure exerted by air is rarely noted. For example, the pressure exerted by moving air is only noted when the wind is very strong. This is not the case for liquids and solids.

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What is DNA sequencing used for?

The process of DNA sequencing is used today by researchers and physicians around the world. This is due in large part to the success of a research project known as the Human Genome Project, which began its work in 1990. The HGP sought to map all three billion base pairs of the human genome, according to the National Human Genome Research Institute.\nGenetic sequencing methods have helped scientists to discover more than 1,800 disease-causing genes and to create more than 2,000 genetic tests to identify medical conditions, according to the National Institute of Health.

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What is the current divider rule?

The current divider rule is derived from Ohm's law, which states that the current flowing between two points in a circuit equals the voltage divided by the resistance. Because the voltages between the multiple branches in a parallel circuit are equal to each other, the branch current equals the total voltage of the circuit divided by the resistance in that branch.\nOhm's law is again applied to substitute the total voltage for the product of the total current and the total resistance of the circuit. The branch current is solved in terms of the resistance ratios and the total current...

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How is ethanol made?

With the dry milling method, the starchy grain is ground into powder and combined with water and ammonia before being placed into a high-temperature cooker. The cooker reduces the amount of bacteria in the mixture before it is cooled and put into a fermenter. Inside the fermenter, yeast is added to the mixture, at which point it starts to become ethanol. It takes between 40 and 50 hours for the fermentation to finish. Once fermentation is complete, the ethanol is separated from the rest of the mixture.\nTo create ethanol via the wet milling method, the starchy grain is soaked in a combination ..

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What are some interesting lionfish facts?

The fleshy nobs that protrude from younger lionfish bodies are used by the fish as bait for smaller prey. When a fish tries to eat the nobs, the lionfish eats the prey. These nobs are lost over time as the fish gain experience in hunting. The nobs fall off during hunting or shrink down naturally. Lionfish are native to the Indo-Pacific region and the Red Sea, but they are considered an invasive species in the Mediterranean Sea and the Atlantic Ocean. Lionfish in U.S. waters are suffering from obesity and many suffer from liver damage due to overeating. Researchers are finding unhealthy lionfis..

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Where does rain come from?

On earth, water flows in a constant cycle and none is ever truly lost. The water that falls out of the clouds as rain and strikes the earth flows downhill until it reaches an ocean or lake. Warm air moving over the water will absorb the water, carrying it high into the atmosphere. Because some forms of pollution bond with water, the pollutants can end up in the clouds where it will eventually rain down as polluted water. This can exacerbate the problem of pollution as the rain spreads it to a large area.\nNot all clouds are the same, and some types are more likely to produce rain than others. ..

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How has water lettuce adapted over the years?

The roots of water lettuce only anchor the plant in the water and are not for absorbing nutrients. Instead, the leaves absorb essential nutrients directly from the water. Water lettuce has no known food value to any wildlife and is considered an invasive pest species. Because these plants reproduce rapidly, they may cover a large part of a waterway quickly, depleting the oxygen supply in the water and resulting in fish kills.

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What would happen if the ozone layer vanished?

The ozone layer is not evenly distributed throughout the globe; it is thicker near the polar regions than around the equator. Seasonal changes also influence the ozone layer's thickness, with the highest levels of thickness found in the spring. Free radical catalysts are responsible for the worldwide depletion of the ozone. Such agents include nitric oxide, nitrous oxide, bromine, chlorine and hydroxl. The commercial production of chlorofluorocarbons and bromofluorocarbons utilizes bromine and chlorine in levels that are not found in nature. When chlorofluorocarbons and bromofluorocarbons..

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