Filter the results Item type Select All/None Folder Question Movie Image Stats Collection Page File Service Subscription Quiz New items since Yesterday Last week Last month Ever Search results Subscribe to an always-updated RSS feed. 1961 items matching your search terms. Sort by relevance date (newest first) alphabetically Dutchman Antonie van Leeuwenhoek was one of the first to construct a microscope Located in Biology / Cell Structure / Microscopes Electron microscope was invented in the early 1890s Located in Biology / Cell Structure / Microscopes Examining venations of fly wings require a low-powered microscopes that can magnify up to 80x times its actual size Located in Biology / Cell Structure / Microscopes Illumination of specimens with blue light under the light microscope lent considerably greater resolution than with any colors of longer wavelengths Located in Biology / Cell Structure / Microscopes Light microscope is an instrument that facilitated examination of specimens by thinly slicing them, allowing light to pass through Located in Biology / Cell Structure / Microscopes Light microscope (right) and stereomicroscope (left) Located in Biology / Cell Structure / Microscopes Microscopes were known before the seventeenth century Located in Biology / Cell Structure / Microscopes Modern microscopes can view magnify objects only up to 800x times (800X) Located in Biology / Cell Structure / Microscopes The scanning electron microscope (SEM) was invented in 1950s Located in Biology / Cell Structure / Microscopes A partially or differentially permeable membrane is called a ____________ Located in Biology / Cell Structure / Movement through the Cell Membrane Previous 10 items 1 ... 9 10 11 12 13 14 15 ... 197 Next 10 items