Tic douloureux is a condition where the nerve serving facial sensations is overstimulated,
resulting in intense pain. Tic douloureux affects
which cranial nerve?

Which of the following is a common response to cell signaling?

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

Which of the following explains why a tree is often used as a model to represent the principle of common descent