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What is the difference between a milligram and a milliliter?

A milligram is 1,000th of a gram or 1,000,000th of a kilogram. In the metric system, each type of measurement has a basic unit. Usually, it is the unit without a prefix (such as the meter for length), but in the case of mass, it is the kilogram. For volume, the basic unit is the liter, though sometimes cubic meters are used instead. Volume is measured by multiplying length times width times height, so a cubic meter is a meter cubed (a meter times a meter times a meter).\nGenerally, a person cannot make a conversion between these two units. To make a conversion, the density of what is being wei..

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What is the reactant called in an enzyme-catalyzed reaction?

When an enzyme catalyzes a chemical reaction, the enzyme helps the reaction take place and often speeds up the rate of reaction. The active site of an enzyme is a specific area that the substrate fits into. When the substrate fits into the active site and forms the enzyme-substrate complex, the substrate molecules are oriented and bonds are weakened. This catalyzes the reaction because new bonds are then able to form more easily.

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What is the difference between specialist species and generalist species?

Koalas are considered specialists because they can only live under very specific conditions. For instance, their diet consists solely of eucalyptus leaves, and they also require a warm climate and trees for shelter. Similarly, tiger salamanders are specialists because they can only live in wetlands that stay moist throughout the year. They also require areas with large insect and worm populations, as this constitutes the whole of their diet. Raccoons and mice are both generalist species because they can live in a huge range of different environments and can adapt their diet to whatever food is..

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Where do truffles grow?

Truffles are prized by the culinary world as a delicacy. They are considered to be difficult to grow and cultivate in their own habitat. Pigs and dogs have been used historically to locate these mushrooms growing alongside tree roots in the wild.\nTruffles are expensive because they are difficult to obtain. White and black truffles are the most common varieties used by chefs. In general, truffles have a pungent taste and are used sparingly in culinary creations.

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What is the internode function?

Internodes are easily visible on a plant. They are the section of stem that runs from one node to the next. Many internodes separate the nodes of a plant by inches, while others are very closely spaced. The nodes of a plant are found at the base of any growth, such as a leaf bud or branch. There is normally a wider part of the branch or stem. When pruning a plant, it is crucial to cut just above the node on the internode. Cutting the node itself kills that area of the plant.

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What causes an atom to emit light?

Excited electrons move from their ground state to a higher state. When they return to their normal state. they will emit photons of energy that correspond to specific wavelengths of light. The color of light or flame that an element produces provides a fingerprint that helps scientists identify which element they are examining. For example, copper has a blue-colored flame, while sodium produces a yellow one.

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What makes the bond in HF a polar bond?

Polar molecules such as hydrogen fluoride bond based on the position and density of their electron fields. Scientists and chemistry students observe the orientation of this bond by placing the molecule in an electric field. When subjected to an electric field, the molecule's polarity causes the negatively charged atom to face the negative end of the field, while the positive atom faces the positive end.

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What is proof rolling?

According to Ohio's DOT, one trip with a proof roller is usually sufficient for locating soft spots. However, the agency warns that an overloaded proof roller, regardless of the soil type, may cause subgrade instability during the rolling process. On the flip side, soft areas may not be found if the roller is too light for the type of soil.\nThe Ohio DOT says that a 35-ton roller with a tire pressure of 120 psi should be used on soil classified as A-3, A-4, A-6 and A-7. The aforementioned tire pressure and load is indicated for use on Ohio soils. For granular soils, the DOT suggests using..

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What is a phosphodiester bond?

A phosphodiester bond consists of a phosphorous atom and two ester bonds. Phosphodiester bonds are strong covalent bonds and resistant to attack. These bonds stabilize the structure of DNA and prevent it from being degraded and broken down. DNA contains the genetic code in the form of nucleotides for every cell. This code must be read in a specific order for the cell to function and develop properly. The structure of DNA holds the nucleotides in place using phosphodiester bonds. The phosphate groups in these bonds are negatively charged and cause the phosphates to move to opposite ends of the ..

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What plants grow best in the shade?

One possibility for utilizing areas lacking direct sunlight is to plant a shade garden filled with plants that don't require direct sunlight, according to Lowe's.\nShade-tolerant perennials include lungwort, according to Gardener's Supply Company. This plant's foliage appears silver, and its blossoms, which appear in spring even in the shade, range from pink to blue. Primrose is another shade-loving perennial. With 425 species, there are many colors of primrose from which to choose. These plants are also available in a wide variety of sizes from 3 inches to more than 4 feet..

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