microtubule necklace | silver Dan The flat version shows the

The flat version shows the amino acid sequence and the disulfide bond in two dimensions

The retina contains roughly 120 million rod photoreceptors for low-light vision and 6 million cone photoreceptors for color vision

the first antibody your body made when it encountered something new

IgM is the first antibody in the cascade

microtubule necklace | silver Dan The flat version shows theMicrotubule necklace sterling silver Microtubules are the cell's structural beams and freight lines, built from tubulin dimers polymerising into hollow tubes 25 nanometres across. They organise the mitotic spindle, the axonal transport system, the ciliary axoneme, and most of the directional traffic inside every eukaryotic cell. The Science of Microtubules Microtubules are dynamic polymers of alpha beta tubulin dimers that assemble into