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How does osmosis take place in an amoeba?

Amoebas are unique types of cells with extremely mutable shapes. They move and eat using structures known as pseudopods, which are appendages they form as needed from their extremely mutable forms. They respond to their environment using active movements of protein structures in their cytoplasm that push and shape their cell membranes. When moving by pseudopod, they reach out with the appendage and flow the rest of their bodies into the temporary structure.\nAnother structure they form that is constantly active in many amoebas is known as a contractile vacuole. Because of their constant intake..

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What are some example of commensalism in grasslands?

Animals using plants for shelter are the most common instances of commensalism in grasslands. For example, a giraffe may use a tree for shade and protection. The giraffe benefits from the shade and protection offered by the tree, while the tree is neither harmed or helped by the presence of the giraffe.\nAn example of commensalism between two species of animals involves birds hunting for food near cattle. When the cattle eat grass or other plants, nearby insects are exposed to the birds, who then need to exert less time and effort to find a meal. The birds in this relationship benefit from the..

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Is water an organic compound?

There are a few compounds which contain carbon that are not considered organic compounds. Those include carbides, carbonates, and cyanides. The International Union of Pure and Applied Chemistry, which presides over the classification and naming of organic compounds, was formed in 1919. It is also responsible for the standardization of atomic weights, the format of new chemical publications and commissioning the review of new publications.

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What is the danger of high hemoglobin?

High hemoglobin counts are also found in individuals with congenital heart defects, scarred lungs and COPD, explains MedlinePlus. High counts typically indicate chronic low blood oxygen levels. Individuals with high hemoglobin may also experience symptoms of faintness and excessive bleeding when their blood is drawn.\nHigh hemoglobin levels can also indicate polycythemia vera, a blood disorder in which the body produces excess amounts of red blood cells, according to Lab Tests Online. Individuals with lung disease that hinders breathing function may also have high hemoglobin levels, due to the..

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What are examples of conventional sources of energy?

Conventional sources of energy are exhaustible, except water. Their use causes pollution as they emit ash and smoke. They're also very expensive to maintain, store and transmit since they’re carried over long distances through transmission lines and grids.\nFossil fuels were created millions of years ago from plant and animal remains. They are used in transportation and manufacturing, and support the power and electrical systems of homes and industries.\nOther conventional energy sources like water, nitrogen and uranium are used to generate electricity that’s used in homes, schools, f..

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What is the method used in calculating enthalpy?

Change in enthalpy is also known as heat transfer, or delta H. Hess's Law states that if a reaction is divided or multiplied by some factor, then delta H must also be divided or multiplied by that same factor. The law also states that if the reaction is reversed, the sign of delta H must also be reversed.\nThere are three factors that affect the enthalpy of a reaction: the partial pressure of any gases involved, the concentrations of the reactants and products, and the temperature of the system. The effects of the changes in these factors are relative to the standard state enthalpy of the..

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What is a probe used for in biology?

In biology, probes are created to correspond with a DNA or RNA sequence inside of an organism or cell. These probes may be radioactive or may not be, depending on the type of research being performed. Detectable molecules may also be connected to probes as well. Detectable molecules include biotin, fluorescein and digoxygenin. These molecules, or radioactive labeled molecules, can label genes of interest within cells and organisms.

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What are some popular solar panel kits?

The Kyocera KD315GX-LPB is considered one of the best solar panel kits on the market due largely to the high quality and durability of its panels. These solar panel kits are also aesthetically pleasing, efficient and easy to maintain. The solar efficiency rate of the Kyocera KD315GX-LPB is 16 percent, which although not the highest solar efficiency rate of any solar panel on the market, is very high and more than adequate for the electrical needs of an average home. In addition, a Kyocera solar panel kit can withstand temperature extremes from minus 40 degrees Fahrenheit to up to 194 degrees F..

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What are some types of water?

The U.S. Food and Drug Administration requires that bottled water products maintain their water type printed on their labels. Water qualifies as spring water if it either flows naturally from its repository or if bottlers have pulled it from the same source that feeds the natural spring. Mineral water must retain its original chemical composition and microbiological purity. Purified water must have emerged from purification processes that are suitable according to the standards of the United States Pharmacopoeia.

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What makes wind blow?

Winds can be either small-or large-scale ones. Both are caused by pressure differences in the atmosphere, but the mechanisms that create these variations are not the same. Without the sinking and rising of air in the atmosphere, there would be no wind or any other type of weather.\nSmall scale winds, for example, can be caused by the sun heating up the ground near the ocean faster than the water itself. The hot ground heats up the air above it much faster, causing the air to rise. Air above the sea then rushes inland to equalize the new pressure difference, resulting in a sea breeze.\nWinds on..

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