Pop a cover slip on the slide and then put the slide onto the microscope. Take a look! Check out that strong cell wall structure. It's solid so that it keeps a plant's shape and structure.

Plant cells without walls, known as protoplasts, are very fragile, and it has been difficult to keep them alive under a microscope for the several hours needed for them to build walls. Plant cells ...

and plant biologists delight in reminding others of these plant-derived breakthroughs. The first cell observed under a microscope, back in the mid-1660s by physicist Robert Hooke, was a plant cell in ...