There isn't a single molecule which is metabolized to produce energy, since any organic compounds such as sugars, fats, or proteins may be used. However, the most common one is glucose sugar.
The right answer for the question that is being asked and shown above is that: "TRUE." <span>Energy sources can impact the environment by causing acid rain, breathing problems, and killing organisms. This statement is very true.</span>
If you didn't know already, trisomy 21 is also known as Down Syndrome. It is caused by error in the cell division which is called nondisjunction. It leaves a sperm or egg cell with an extra copy of chromosome 21 before or after conception.