The following ball-and-stick molecular model is a representation of the amino acid alanine (unshaded spheres = H) .Only the connections between atoms are shown;multiple bonds and nonbonded electrons are not indicated. 
-In order to complete an electron-dot structure of alanine,the oxygen atom labeled O2 needs
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Equilibrium Price
The price at which the quantity of a good or service demanded equals the quantity supplied, leading to market balance.
Interest Rate
The percentage of an amount of money charged for its use over a specified period of time, often expressed as an annual percentage.
Gnome Molds
Tools or containers used to shape garden gnome statues during their production process.
Plaster
A mixture of water, lime, or gypsum, sand, and possibly other materials, used in construction and repair of buildings for coatings, molding, or casting surfaces.
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