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reviewTWO
reviewTWO

... REVIEW TIME DEFINE THE FOLLOWING: Atom, element, compound, mixture, proton, neutron, electron, atomic number, Mass number, atomic mass, isotope, ion, ionic charge, cation, anion, polyatomic ions, diatomic ions. Write the Chemical Formula (1) sodium nitrite (2) copper (II)oxide (3) sodium iodide (4) ...
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KEY - Photosynthesis Workshop: Putting it All Together

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abstracts_e

... Presently, a trapping system for cooling highly-charged ions that were extracted from the new Stockholm electron-beam ion trap (S-EBIT) is being set up at AlbaNova (Fig.1). The experiment aims at production of low temperature (emittance) highly-charged ions at very low energy for injection into the ...
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Harvesting Energy: Glycolysis and Cellular Respiration

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Cellular Respiration
Cellular Respiration

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Magnesium in biology



Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient (i.e., element) for life and is present in every cell type in every organism. For example, ATP (adenosine triphosphate), the main source of energy in cells, must be bound to a magnesium ion in order to be biologically active. What is called ATP is often actually Mg-ATP. As such, magnesium plays a role in the stability of all polyphosphate compounds in the cells, including those associated with the synthesis of DNA and RNA.Over 300 enzymes require the presence of magnesium ions for their catalytic action, including all enzymes utilizing or synthesizing ATP, or those that use other nucleotides to synthesize DNA and RNA.In plants, magnesium is necessary for synthesis of chlorophyll and photosynthesis.
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