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What are the three main reasons why cell division is important?

Cell division serves as a means of reproduction in unicellular organisms through binary fission. In multicellular organisms, cell division aids in the formation of gametes, which are cells that combine with others to form sexually produced offspring. For growth to occur in living organisms, the number of cells have to increase through cell division until it reaches its maximum size.\nThe human body also repairs injuries by means of cell division. When skin is cut, the skin cells on either side of the cut divide to make new cells that heal the wound.

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What colors mixed together make peach?

Whether mixing paint colors or food coloring, equal parts of pink and lemon yellow create a peach color. Adding some more pink produces a peach shade that has deeper red tones while adding additional yellow to the mix produces a peach shade with more orange tones.\nWhen working with food coloring to create peach-colored icing, slowly adding more white icing lightens up the peach shade. To create flesh-tone, white icing is added to the peach-colored icing until the desired shade is obtained.

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How many molecules are in a liter?

If calculating the number of water molecules in a liter of liquid water, one can use the density of 1 gram/milliliter, or 1000 grams/liter, to perform the calculation. The atomic mass of water is 18 grams per mole. Therefore, one liter of water contains 1000 grams * (1 mole / 18 grams) = 55.56 moles of water. Because there are 6.022 * 10^23 molecules in a mole, the number of molecules of water in a liter is (6.022 * 10^23) * 55.56 = approximately 3.345 * 10^25 molecules of water.\nAccording to the Ideal Gas Law, 1 mole of any ideal gas at STP, or standard temperature and pressure, takes up 22...

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What is the specific heat capacity of steel?

The amount of heat a material needs to change its temperature depends on the material's mass, the type of the material and the change of temperature that will occur, either positive or negative. The heat energy of a material can be calculated using the material's specific heat capacity from multiplying the material's mass by its specific heat capacity and its temperature change.

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What are the seven weather elements?

Using a thermometer, the temperature is measured in degrees Celsius or degrees Fahrenheit .Thermometers must be shaded from direct sunlight and be exposed to circulating air. Precipitation is measured using a rain gauge and the depth of the rain is recorded in millimeters. Wind velocity or wind speed is measured using an anemometer, which is then recorded on the Beaufort scale. Cloud cover is measured in units called okta where each okta represents one eighth of the sky that is covered by cloud. Air pressure is measured by using a barometer and is stated in millibars. The greater the reading i..

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How do organelles work together?

Mr. Potter's Website explains that organelle function differs between plants and animals. While plants have chloroplasts, a cell wall and a central vacuole, animals do not have any of these organelles. The website also describes the processes in which organelles carry out their duties as being very similar to the way organs function in the human body: Each one carries out a different set of responsibilities to keep the person alive.\nFrom protein distribution to energy consumption and waste disposal, organelles are constantly working in tandem, so the cell can perform its specified duty. ..

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What is the function of the ozone layer?

Most of the ozone on Earth accumulates in the stratosphere, a layer of the atmosphere between 15 and 30 kilometers above the Earth's surface. The ozone layer prevents the heat energy reflected by the Earth's surface from being re-radiated into space. This process traps heat on the Earth and keeps it warm.\nOzone is formed, broken apart and reformed on a consistent basis in the stratosphere; however, the total amount of ozone at any given time remains stable. When UV rays hit ozone molecules, they split the molecules, and the UV rays become harmless. Ultraviolet rays, namely UVB rays,..

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What affects the movement of fungi?

With bud formation or binary fission, such as in yeasts, two cells form from a single one. The process starts with cellular events characterized by the development of a ring of chitin around the region where bud synthesis begins, MicrobiologyBytes mentions. A nuclear event of mitosis commences, leading to growth of a new cell wall. Asexual spores develop during the mitosporic or anamorphic phase of the fungal life cycle. Each species of fungus can undergo a mitosporic phase more than once. In some cases, the mitosporic states of different fungi species seem identical. The sexual propagation p..

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How is an atomic mass unit defined?

IsotopesThe atomic number of an element is defined by the number of protons in its nucleus. Its mass is determined by the number of protons plus the number of neutrons in the nucleus. Different species of the same atomic element will have different mass numbers because the number of neutrons in the nucleus is different. Each of the species of an element is called an isotope.\n\nAtomic mass is an average massTo calculate the atomic mass of an element, the mass of all of its isotopes have to be taken into account. The atomic mass is therefore an average mass. To arrive at this average mass, the ..

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What is cell diffusion?

When molecules are evenly distributed, then an equal number of molecules are entering and leaving the cell. This is called equilibrium.\nIt is possible to observe osmosis, or the diffusion of water across a cell membrane, by performing a simple experiment using two slices of potatoes, two glasses of water and table salt. Fill one glass with water, and place a slice of potato in the water. Fill another glass with water, and add a slice of potato and 2 tablespoons of table salt. Let the potato slices soak. Then observe the slices.\nThe potato slice in the salt water look smaller and feel mushier..

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