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Bacteria: clostridia

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by You,
Last updated 3 years ago

Discipline:
Science
Subject:
Biology
Grade:
8

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Bacteria: clostridia

The History of Microscopes

1590The first microscope was developed by Zacharias Jansen and his father Hans Jansen. It consisted of three draw tubes with lenses inserted into the ends of the flanking tubes. This microscope was capable of magnifying images approximately three times when fully closed and up to ten times when extended to the maximum.

1609Galileo Microscope was invented while he was trying to envent the telescope. Using lenses with a shorter focal length he found he could in effect turn the telescope around and magnify little things. His first microscopes, in 1609, were basically little telescopes with the same two lenses: a bi-convex objective and a bi-concave eyepiece.

1674This Microscope was invented by Antoni Van Leeuwenhoek. This microscope enabled better detailed observations to be made for bacteria. He was able to use his knowledge of grinding lenses to achieve greater magnification which he utilised to make his microscope.

Microscopes through timeMicroscopes have progressed a lot from when they were little hand held devises that could only see 10x magnification but they can now see even further. So much has changed and progressed with the microscope that progression is now slowing down due to the fact that our optical limits have been reached.

1938Ernst Ruska invented the first ever electron microscope. This new microscope gave the ability to use electrons in microscopy which greatly improved the resolution and greatly expanded the borders of exploration.

What it does? It depends on what type of Clostridium it is but some types can infect wounds or cause illness. Clostridium perfringens causes gas gangrene or tissue death. While Clostridium difficile a less harmful type of Clostridium can cause antibiotic-induced diarrhea.

Where it lives? Chlostridia lives in the soil and the intestines of humans and anmials.

Bacteria: Clostridia


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