D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
A person whose body weight is more that 20 percent above the recommended level is categorized as obese.
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B - the lion eats the grass—it cannot be A. because grass gives off o2 not co2
The largest cell in the human body is the ovum, the female sex cell. The largest cell in the world is an ostrich’s egg.
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