Drewjza80

Do any of you guys know any good websites to find a detail explanation of how human beings evolved.

Hey whats going on guys im studying for my final exam and im stuck on the concept of polymerase chain reactions. Would any of you guys be able to tell me what they are and why they are so important. Thanks in advance

Hey whats goin on guys im pretty new to the forums I just ran into this problem during my general bio homework and my professore really didnt give me that good of an explanation so here goes. Why are atoms unlikely to react when they have their outer shell filled with electrons? thanks in advance guys