Why Do You Usually Need To Cut A Very Thin Slice Of A Specimen? Because beams of electrons can only pass through thin samples, cells and tissues must be cut first into ultra thin slices before they can be examined under a transmission electron microscope. Why is it important to cut sections thinly when viewing
Who First Observed And Describe The Life Cell? Robert Hooke, a scientist, was the first person in 1665 to discover the presence of cells, using a microscope. Anton van Leeuwenhoek first discovered free-living algae Spirogyra cells in water in the pond in 1674 with the improved microscope. The living cells were first discovered by Antony
What Did Leeuwenhoek See In The Pond Water? Leeuwenhoek would stare at samples through the sphere in bright daylight, and, one day beginning in 1674, viewing a drop of pond water, he observed things moving which he called “animalcules.” This was the first documented view of the living microworld, that there are living things in
What Did Leeuwenhoek Call The Tiny Creatures He Saw Under A Microscope? In 1674 he looked at the water from a lake near Delft and was surprised to see tiny microscopic unicellular pond-water organisms which he called animalcules (1676). What did Leeuwenhoek call the organisms he saw? Antonie Van Leeuwenhoek first observed bacteria in the