A) Sodium..................................................
Explanation:
<em>Beakers are the standard vessel used in chemistry. They come in all sizes including 5 milliliter (ml) flasks and flasks of many liters (L). Much like a cup or a mug, they consist of a cylinder, usually glass, with a flat bottom made to hold liquid. Beakers may or may not have a pour spout although they usually do.</em>
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Hyaluronic acid, <span>also called </span>hyaluronan.
The capsid surrounds the virus and is composed of a finite number of protein subunits known as capsomeres, which usually associate with, or are found close to, the virion nucleic acid
