A DNA IS YOUR ANSEWR TKRNDNBXBXBHD
DNA has always been an important factor/key role in the transference of hereditary information. However, Watson and Crick's structure demonstrated the process of how DNA worked on a molecular scale by indicating the way that genes, cells, and ultimately how all life forms reproduce.
Answer:
b) Adding contrast and labeling specific structures
Explanation:
Staining is a technique used to enhance contrast in samples. In other words, it helps you see specific structures better.
La biogénesis es el proceso fundamental de los seres vivos que producen otros seres vivos. Ejemplo: una araña pone huevos de los que saldrán más arañas. La biogénesis es aquel principio según el cual la vida solamente se origina de una vida preexistente (que ha existido antes).