The buffer maintains the requisite pH of the solution even with addition of small amounts acid or base in the solution. This protects the integrity of the protein which is greatly influenced by pH of the solution. This is helped by the fact that a buffer is comprised of a weak acid (HA) with its conjugate base (A-) that attenuate the effects of the added acid or base.
As a general rule of thumb, the relative amounts of acid and base in a buffer should not differ by more than tenfold. This is because as this ratio changes in the endeavor to change the pH of the buffer, the less effective the buffering capacity of the buffer becomes. The best buffer is one where the pH of the buffer is equal to its pKa.
The range of sodium phosphate buffer is 5.8 to 8. This means that within these pH ranges, the buffer can easily moderate the pH of the solution by maintaining a relatively constant levels of H+ and OH- ions even with the addition of a small amount of strong acid or base.
Explanation:
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Visible light<span>, U</span>ltraviolet<span> Rays, X-rays, and </span>gamma rays<span>. The electromagnetic spectrum shows the range of different electromagnetic waves in order of increasing frequency and decreasing wavelength. Radio waves are the electromagnetic waves with the longest wavelengths and lowest frequencies.</span>
Answer:
ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.
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D. It has the same starting and ending point.
Explanation:
The defining characteristic of a water cycle is that it has the same starting and ending point. The water cycle is also known as the hydrologic cycle. It shows the cyclic path through which water moves in nature.
- The water cycle is a part of the biogeochemical cycle.
- The biogeochemical cycle shows how certain elements and compounds moves between living organisms and the earth.
- All living organisms are essentially dependent of water and it is exchanged with the environment around.
- Some key components of the water cycle are precipitation, ocean, living organisms, ground water, infiltration, surface run off, evaporation etc.
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Biogeochemical cycle brainly.com/question/3509510
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