Narcotics mimic the brain’s internal system....
Well fossil fuels are a finite resource and at the rate we are using them, yes they will run out. but not anytime soon. but yes. we use them faster than they can be created. they WILL run out eventually.
Catabolism (a form of metabolism in which cells are breaking down larger units into smaller units).
Another answer is cellular respiration
<span>Mutagens are chemical or physical factors that increase the rate of mutation.</span>
Phospholipid bilayer is the <span>component</span> of membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances.
