lysosomes

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6 09, 2017

Human organs: medieval science

By |2019-09-15T21:13:36-07:00September 6th, 2017|Biology, Science|0 Comments

Chinese drawing of the human organs (about 1200) Eyes and fevers Between the Middle Ages and modern times, doctors have learned a lot of new things about how human bodies work. Earlier history of the human body History of medicine History of science All our biology articles The Islamic doctor al-Tabari, in the early 800s, [...]

29 05, 2017

What is Tay-Sachs disease? Lysosomes and cell biology

By |2017-05-29T10:07:50-07:00May 29th, 2017|Biology|0 Comments

Krystie has Tay-Sachs disease Tay-Sachs is a disease where your lysosomes aren't working right. It's a disease you get in your DNA from your parents. Both your mother and your father have to have the disease in their DNA in order for you to get it. It is not catching. One of the [...]

29 05, 2017

What are mitochondria? Parts of a cell – Biology

By |2017-05-29T00:26:07-07:00May 29th, 2017|Biology|0 Comments

A mitochondrion (seen through a microscope) About two billion years ago, in the Proterozoic, there were only prokaryotic cells on Earth. Mitochondria probably started out as independent cells that were especially good at digesting food. These cells were extra good at digesting because they had evolved to have two membranes. The inside membrane, [...]