In the movie, Tim says that genetic mutations are permanent changes
to DNA or RNA. What does this
mean?

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

20 the compound al(nh3)2 has atoms of nitrogen.

Explain the process that creates the heat of the sun?