Microbiology - Simple English Wikipedia

# Microbiology

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Microbiology is the study of small one celled organims. This includes human cells and bacteria. Microbiologist can work with viruses, which are not fully living but still are able to reproduce and carry heredity.

## [edit] History

In 1665 Robbert Hooke saw that cork was made up little cubes that he named cells. Later Anton van Leeuwenhoek made the important connection that cells are living things when he saw through his early microscope small one celled organisms. Later Christian Ehrenberg found that protista or bacteria were different kinds of cells. In the late part of the 1800s Martinus Beijerinck showed that there were small particles called viruses. Another important change in the study of microrganism has come from the discovery of DNA and RNA, because now it is possible to change the inside of a cell without killing it using a vector. One of the monst recent discoveries that has changed the study of microbiology is the discovery of transposons or jumping genes.

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