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Hace 2 días · Cells are the basic unit of structure and function in an organism (basic unit of life). Cells come from the reproduction of existing cells (cell division).1 2 3. Observed living cell.Discovered the cell. Discovered the nucleus. Discovered the fluid content of the cell.1665 Robert Hooke 1674 Anton Van Leeuwenhoek 1883 Robert Brown 1835 Felix ...
Hace 2 días · Microscopy Units of measurement: 1 micrometer (μm) = 10-6 m 1 nanometer (nm) = 10-9 m. What makes a good microscope? Types of Microscopes 1. LIGHT MICROSCOPES •use light waves and mirrors a. Simple -short focal length -only 1 lens -magnification: 300x b. Compoundor Complex -2 sets of lenses -magnification: 1000x.
Hace 3 días · 1665 – English physicist, Robert Hooke looked at a sliver of cork through a microscope lens and noticed some "pores" or "cells" in it 1674 – Anton van Leeuwenhoekbuilt a simple microscope with only one lens to examine blood, yeast, insects and many other tiny objects.
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Hace 1 día · Robert Hooke (1635–1703), UK – balance wheel, iris diaphragm, acoustic telephone Erna Schneider Hoover (born 1926), U.S. – computerized telephone switching system Harold Hopkins (1918–1994), UK – zoom lens , rod lens endoscope
