Each enzyme molecule has a special place called the active site where another molecule, called the substrate, fits. The substrate goes through a chemical reaction and changes into a new molecule ...
Some animals, such as the starlet sea anemone, can regenerate large parts of their body, even after major injuries. Researchers have shown this regeneration response involves cells and molecules in ...
Researchers have been fascinated by animals’ ability to create such huge variety from two simple building blocks, but until now there was no satisfactory explanation for this wealth of crystals in the ...