Essentials of Biology is a non-majors general biology course without a laboratory. The topics that will be covered include biological molecules, cell structure and function, cellular metabolism, cell ...

Below the basic structure is shown in the same animal cell, on the left viewed with the light microscope, and on the right with the transmission electron microscope.

A new structure in human cells has been discovered. The structure is a new type of protein complex that the cell uses to attach to its surroundings and proves to play a key part in cell division.

Although known since the 1830s as a round, dark spot in a cell's nucleus, only recently has the nucleolus gotten its full due. Scientists, including research conducted by the lab of Clifford ...

This is called photosynthesis. The basic structure of a plant cell is shown below. Photosynthesis relies on many structures in the cell all working together, each playing its role.