Let's take a look at how to observe cells under a microscope ... 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 ...

Let's take a look at how to observe cells under a microscope ... 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 ...

These are stained samples of pollen (left images) and plant stems (right two images). Top row: commercial microscope. Bottom row: cell phone microscope. Z. J. Smith, K. Chu, A. R. Espenson ...