The building blocks of proteins<span> are </span>amino acids<span>, which are small organic molecules that consist of an alpha (central) carbon atom linked to an </span>amino<span> group, a carboxyl group, a hydrogen atom, and a variable component called a </span>side chain<span> (see below). ... The</span>side chains<span> of </span>amino acids<span> have different chemistries.</span>
<span>The answer is letter D.
<span>Fat-soluble vitamins are essential organic substances that are needed by the body in small amounts to be used for normal functions, growth, and maintenance of body tissues. They are not readily excreted and used in the body and are stored in fat cells that can only be tapped when the first source of energy is depleted. These fat-soluble vitamins can be found in plant and animal sources that supply vitamins in the diet and should not be totally eliminated when engaged in weight loss activities.</span></span>
Answer:
An office is a space where an organization's employees perform administrative work in order to support and realize objects and goals of the organization. ... In modern terms an office is usually the location where white-collar workers carry out their functions..
a room, set of rooms, or building used as a place for commercial, professional, or bureaucratic work..
Explanation:
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