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the next two elements down Group 14
Why is the sliding-filament model still the foundation 70 years later
Egg and sperm necklace | sterling silver
The magnesium-centered porphyrin captures red and blue light to power the reaction that produces virtually all atmospheric oxygen and the base of nearly every food chain on Earth
collagen earring hoops | silver pp_immuno the next two elements downCollagen earring hoops sterling silver If you teach cell biology or biomaterials, the collagen triple helix is one of the structures you keep coming back to. The repeating Gly X Y motif and the three strand superhelix are the textbook example of how a small structural rule scales into the strongest protein in the human body. The Science of Collagen Collagen is built from three polypeptide chains wound into a left handed helix that then twists into a
