What is the role of electrons in a covalent bond

What is mitosis and how does it affect change

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: ]

As a small change in a person's dna can cause a genetic disorder