The major difference between these two types of protein is that structural proteins are used as structures while functional proteins perform specific active functions in the cells.
<span>Animals with a monogastric digestive system are able to digest and use a high percentage of the fats and proteins that they take in from their foods and therefore exhibit high levels of energy.</span>
Explanation:
Option first is the correct one
There are many lines of evidence which clearly show that the atmospheric CO2<span>increase is caused by humans. The clearest of these is simple accounting - humans are emitting CO2 at a rate twice as fast as the atmospheric increase (natural sinks are absorbing the other half). There is no question whatsoever that the CO2 increase is human-caused. This is settled science.</span>
