Where is the dna restricted to in a eukaryotic cell

Mitochondria

Explanation:

If you plug the variables into L'Hospital's Rule, then you get Mitochondria.

This is a weird question. 

Deserts do have very high day time temperatures, but they also have extremely low temperatures at night because of a lack of water. If you live in a city surrounded by water, you'll find that it will actually be warmer in the city at night than it would in a town further in-land.