386K views · 7.7K reactions | The Gram Stain is a microbiology technique used to classify bacteria into two large groups: Gram-positive (purple) and Gram-negative (pink), based on the structure of their cell walls. This technique was developed approximately 80 years before the invention of the electron microscope allowed scientists to visually confirm the underlying cell wall differences that cause the stain variation. | Ribosome Studio | Facebook

3K views · 47 reactions | Fabulous Friday! | Ribosome Studio | Facebook

3.3K views · 195 reactions | Apoptosome Snow | Ribosome Studio | Facebook

Happy Valentine’s Day | Ribosome Studio

61K views · 1.1K reactions | In the small intestine. The primary function of the small intestine is the absorption of nutrients and minerals using small finger-like protrusions called villi. | Ribosome Studio | Facebook