We explain what is an STP/STEP file and how you can view STP files on your Windows 11/10 PC using free software or online tool.

There are many different kinds of membranes in a cell. Learn how they subdivide sections of a cell and how proteins in these membranes are gatekeepers for what goes in and what comes out.

Mesenchymal stem cells can self-renew by dividing and can differentiate into multiple tissues including bone, cartilage, muscle and fat cells, and connective tissue.