which was when the cell theory was officially formulated. Cells were not seen as undifferentiated structures. Some cellular components, such as the nucleus, had been visualized, and the occurrence ...

Sure enough, when the duo got together to examine notochords under the microscope, they saw cells containing nuclei just like those seen in plants. Such observations might seem ho-hum today, but they ...

coli infections and sends letters to other stem cell companies reminding them to follow the rules. How a dinner-table conversation between two biologists led to the formulation of the theory that ...

research-based theory of heredity. Thus, Flemming recognized that chromosomal movement during mitosis offered a mechanism for the precise distribution of nuclear material during cell division.